High School Math : Understanding Secant, Cosecant, and Cotangent

Study concepts, example questions & explanations for High School Math

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Example Questions

Example Question #2 : Trigonometric Operations

An angle has a cosine of . What will its cosecant be?

Possible Answers:

Correct answer:


The problem tells us that the cosine of the angle will be . Cosine is the adjacent over the hypotenuse. From here we can use the Pythaogrean theorem:

Now we know our opposite, adjacent, and hypotenuse.

The cosecant is .

From here we can plug in our given values.

Example Question #3 : Trigonometric Operations

Which of these is equal to  for angle ?

Possible Answers:

Correct answer:


 , as it is the inverse of the  function.  This is therefore the answer.

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