# Common Core: High School - Functions : Restricting Domain of Trigonometric Functions to Allow for Construction of Inverse: CCSS.Math.Content.HSF-TF.B.6

## Example Questions

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### Example Question #1 : Restricting Domain Of Trigonometric Functions To Allow For Construction Of Inverse: Ccss.Math.Content.Hsf Tf.B.6

Find the exact value of the following statement.

Explanation:

This question is testing ones ability to understand and identify inverses of trigonometric functions as they relate to the unit circle.

For the purpose of Common Core Standards, " Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed." concept (CCSS.MATH.CONTENT.HSF-TF.B.6). It is important to note that this standard is not directly tested on but is used for building a deeper understanding on trigonometric functions.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Since there is a trigonometric function raised to the negative one power, this question is talking about the inverse of the function. In other words, which angle on the unit circle results in a cosine equalling one?

Therefore, theta needs to be solved for.

Step 2: Draw and label the unit circle.

Step 3: Locate the angle that results in one for its cosine value.

Recall that

therefore look for the  that has . Looking at the unit circle from step 2, it is seen that at angle  the cosine equals one.

Thus,

To verify the solution simply find the cosine of the angle theta.

### Example Question #2 : Restricting Domain Of Trigonometric Functions To Allow For Construction Of Inverse: Ccss.Math.Content.Hsf Tf.B.6

Find the exact value of the following statement.

Explanation:

This question is testing ones ability to understand and identify inverses of trigonometric functions as they relate to the unit circle.

For the purpose of Common Core Standards, " Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed." concept (CCSS.MATH.CONTENT.HSF-TF.B.6). It is important to note that this standard is not directly tested on but is used for building a deeper understanding on trigonometric functions.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Since there is a trigonometric function raised to the negative one power, this question is talking about the inverse of the function. In other words, which angle on the unit circle results in a sine equalling negative one?

Therefore, theta needs to be solved for.

Step 2: Draw and label the unit circle.

Step 3: Locate the angle that results in negative one for its sine value.

Recall that

therefore look for the  that has . Looking at the unit circle from step 2, it is seen that at angle  the sine equals negative one.

Thus,

To verify the solution simply find the sine of the angle theta.

### Example Question #3 : Restricting Domain Of Trigonometric Functions To Allow For Construction Of Inverse: Ccss.Math.Content.Hsf Tf.B.6

Find the exact value of the following statement.

Explanation:

This question is testing ones ability to understand and identify inverses of trigonometric functions as they relate to the unit circle.

For the purpose of Common Core Standards, " Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed." concept (CCSS.MATH.CONTENT.HSF-TF.B.6). It is important to note that this standard is not directly tested on but is used for building a deeper understanding on trigonometric functions.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Since there is a trigonometric function raised to the negative one power, this question is talking about the inverse of the function. In other words, which angle on the unit circle results in a cosine equalling zero?

Therefore, theta needs to be solved for.

Step 2: Draw and label the unit circle.

Step 3: Locate the angle that results in zero for its cosine value.

Recall that

therefore look for the  that has . Looking at the unit circle from step 2, it is seen that at angle  and  the cosine equals zero.

Thus,

To verify the solution simply find the cosine of the angle theta.

### Example Question #4 : Restricting Domain Of Trigonometric Functions To Allow For Construction Of Inverse: Ccss.Math.Content.Hsf Tf.B.6

Find the exact value of the following statement.

Explanation:

This question is testing ones ability to understand and identify inverses of trigonometric functions as they relate to the unit circle.

For the purpose of Common Core Standards, " Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed." concept (CCSS.MATH.CONTENT.HSF-TF.B.6). It is important to note that this standard is not directly tested on but is used for building a deeper understanding on trigonometric functions.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Since there is a trigonometric function raised to the negative one power, this question is talking about the inverse of the function. In other words, which angle on the unit circle results in a cosine equalling one half?

Therefore, theta needs to be solved for.

Step 2: Draw and label the unit circle.

Step 3: Locate the angle that results in the given cosine value.

Recall that

therefore look for the  that has . Looking at the unit circle from step 2, it is seen that at angle  and  the cosine equals the given value.

Thus,

To verify the solution simply find the cosine of the angle theta.

### Example Question #5 : Restricting Domain Of Trigonometric Functions To Allow For Construction Of Inverse: Ccss.Math.Content.Hsf Tf.B.6

Find the exact value of the following statement.

Explanation:

This question is testing ones ability to understand and identify inverses of trigonometric functions as they relate to the unit circle.

For the purpose of Common Core Standards, " Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed." concept (CCSS.MATH.CONTENT.HSF-TF.B.6). It is important to note that this standard is not directly tested on but is used for building a deeper understanding on trigonometric functions.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Since there is a trigonometric function raised to the negative one power, this question is talking about the inverse of the function. In other words, which angle on the unit circle results in a cosine equalling negative one half?

Therefore, theta needs to be solved for.

Step 2: Draw and label the unit circle.

Step 3: Locate the angle that results in the given cosine value.

Recall that

therefore look for the  that has . Looking at the unit circle from step 2, it is seen that at angle  and  the cosine equals the given value.

Thus,

To verify the solution simply find the cosine of the angle theta.

### Example Question #6 : Restricting Domain Of Trigonometric Functions To Allow For Construction Of Inverse: Ccss.Math.Content.Hsf Tf.B.6

Find the exact value of the following statement.

Explanation:

This question is testing ones ability to understand and identify inverses of trigonometric functions as they relate to the unit circle.

For the purpose of Common Core Standards, " Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed." concept (CCSS.MATH.CONTENT.HSF-TF.B.6). It is important to note that this standard is not directly tested on but is used for building a deeper understanding on trigonometric functions.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Since there is a trigonometric function raised to the negative one power, this question is talking about the inverse of the function. In other words, which angle on the unit circle results in a cosine equalling negative one over the square root of two?

Therefore, theta needs to be solved for.

Step 2: Draw and label the unit circle.

Step 3: Locate the angle that results in the given cosine value.

Recall that

therefore look for the  that has . Looking at the unit circle from step 2, it is seen that at angle  and  the cosine equals the given value.

Thus,

To verify the solution simply find the cosine of the angle theta.

### Example Question #7 : Restricting Domain Of Trigonometric Functions To Allow For Construction Of Inverse: Ccss.Math.Content.Hsf Tf.B.6

Find the exact value of the following statement.

Explanation:

This question is testing ones ability to understand and identify inverses of trigonometric functions as they relate to the unit circle.

For the purpose of Common Core Standards, " Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed." concept (CCSS.MATH.CONTENT.HSF-TF.B.6). It is important to note that this standard is not directly tested on but is used for building a deeper understanding on trigonometric functions.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Since there is a trigonometric function raised to the negative one power, this question is talking about the inverse of the function. In other words, which angle on the unit circle results in a cosine equalling one over the square root of two?

Therefore, theta needs to be solved for.

Step 2: Draw and label the unit circle.

Step 3: Locate the angle that results in the given cosine value.

Recall that

therefore look for the  that has . Looking at the unit circle from step 2, it is seen that at angle  and  the cosine equals the given value.

Thus,

To verify the solution simply find the cosine of the angle theta.

### Example Question #8 : Restricting Domain Of Trigonometric Functions To Allow For Construction Of Inverse: Ccss.Math.Content.Hsf Tf.B.6

Find the exact value of the following statement.

Explanation:

This question is testing ones ability to understand and identify inverses of trigonometric functions as they relate to the unit circle.

For the purpose of Common Core Standards, " Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed." concept (CCSS.MATH.CONTENT.HSF-TF.B.6). It is important to note that this standard is not directly tested on but is used for building a deeper understanding on trigonometric functions.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Since there is a trigonometric function raised to the negative one power, this question is talking about the inverse of the function. In other words, which angle on the unit circle results in a cosine equalling the square root of three over two?

Therefore, theta needs to be solved for.

Step 2: Draw and label the unit circle.

Step 3: Locate the angle that results in the given cosine value.

Recall that

therefore look for the  that has . Looking at the unit circle from step 2, it is seen that at angle  and  the cosine equals the given value.

Thus,

To verify the solution simply find the cosine of the angle theta.

### Example Question #9 : Restricting Domain Of Trigonometric Functions To Allow For Construction Of Inverse: Ccss.Math.Content.Hsf Tf.B.6

Find the exact value of the following statement.

Explanation:

This question is testing ones ability to understand and identify inverses of trigonometric functions as they relate to the unit circle.

For the purpose of Common Core Standards, " Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed." concept (CCSS.MATH.CONTENT.HSF-TF.B.6). It is important to note that this standard is not directly tested on but is used for building a deeper understanding on trigonometric functions.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Since there is a trigonometric function raised to the negative one power, this question is talking about the inverse of the function. In other words, which angle on the unit circle results in a cosine equalling negative square root of three over two?

Therefore, theta needs to be solved for.

Step 2: Draw and label the unit circle.

Step 3: Locate the angle that results in the given cosine value.

Recall that

therefore look for the  that has . Looking at the unit circle from step 2, it is seen that at angle  and  the cosine equals the given value.

Thus,

To verify the solution simply find the cosine of the angle theta.

### Example Question #10 : Restricting Domain Of Trigonometric Functions To Allow For Construction Of Inverse: Ccss.Math.Content.Hsf Tf.B.6

Find the exact value of the following statement.

Explanation:

This question is testing ones ability to understand and identify inverses of trigonometric functions as they relate to the unit circle.

For the purpose of Common Core Standards, " Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed." concept (CCSS.MATH.CONTENT.HSF-TF.B.6). It is important to note that this standard is not directly tested on but is used for building a deeper understanding on trigonometric functions.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Since there is a trigonometric function raised to the negative one power, this question is talking about the inverse of the function. In other words, which angle on the unit circle results in a sine equalling one?

Therefore, theta needs to be solved for.

Step 2: Draw and label the unit circle.

Step 3: Locate the angle that results in the given sine value.

Recall that

therefore look for the  that has . Looking at the unit circle from step 2, it is seen that at angle  the sine equals the given value.

Thus,

To verify the solution simply find the sine of the angle theta.

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