2. Trigonometry and Geometry

Trigonometric Identities — Quiz

Test your understanding of trigonometric identities with 5 practice questions.

Practice Questions

Question 1

What is the value of $\sin^2\theta + \cos^2\theta$ for any angle $\theta$?

Question 2

Which expression is equal to $\sec\theta$?

Question 3

If $\sin\theta = \dfrac{3}{5}$ and $\theta$ is acute, what is $\cos\theta$?

Question 4

Complete the identity: $1 + \tan^2\theta = ?$

Question 5

If $\cos\theta = \dfrac{12}{13}$ and $\theta$ is acute, what is $\sin\theta$?