3. Trigonometric and Polar Functions

Sine, Cosine, And Tangent — Quiz

Test your understanding of sine, cosine, and tangent with 5 practice questions.

Practice Questions

Question 1

In a right triangle, which trigonometric ratio is defined as the ratio of the length of the side opposite an angle to the length of the hypotenuse?

Question 2

In a right triangle, which trigonometric ratio is defined as the ratio of the length of the side adjacent to an angle to the length of the hypotenuse?

Question 3

In a right triangle, which trigonometric ratio is defined as the ratio of the length of the side opposite an angle to the length of the side adjacent to the angle?

Question 4

For an acute angle in a right triangle, if the opposite side is $3$ and the hypotenuse is $5$, what is $\sin(\theta)$?

Question 5

For an acute angle in a right triangle, if the adjacent side is $4$ and the hypotenuse is $5$, what is $\cos(\theta)$?