5. Functions, Transformations and Trigonometry

Trigonometric Identities — Quiz

Test your understanding of trigonometric identities with 5 practice questions.

Practice Questions

Question 1

Which of the following is the Pythagorean identity involving sine and cosine?

Question 2

Simplify the expression $ \frac{1}{\sec(\theta)} $.

Question 3

If $ \sin(\theta) = \frac{3}{5} $ and $ \theta $ is in the first quadrant, what is the value of $ \cos(\theta) $?

Question 4

Simplify the expression $ \tan(\theta) \cdot \cos(\theta) $.

Question 5

What is the reciprocal identity for cotangent?