Precalculus : Inverse Trigonometric Functions

Study concepts, example questions & explanations for Precalculus

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Example Questions

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Example Question #11 : Inverse Trigonometric Functions

Approximate the following:  is closest in value to which of the following?

Possible Answers:

0.2

4

1

2

0

Correct answer:

0

Explanation:

This problem is quite manageable with knowledge of the unit circle: the value is extremely close to zero, of which  always, so the only reasonable estimation of this value is 0.

Example Question #12 : Inverse Trigonometric Functions

Evaluate: 

Possible Answers:

Correct answer:

Explanation:

 and so the credited answer is .

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