Unit Circle Practice

Front

What is the value of sin(3π/2)?

Back

-1

Front

What is the value of cos(π)?

Back

-1

Front

What are the x and y coordinates for the angle 4π/3?

Back

(√3/2,-1/2)

Front

What is the value of sin(0°)?

Back

0

Front

What is the value of tan(4π/3)?

Back

√3

Front

Define the unit circle.

Back

A circle with a radius of 1 centered at the origin of a coordinate plane.

Front

What are the coordinates of the point on the unit circle at 90°?

Back

(0, 1)

Front

What is the value of cos(0°)?

Back

1

Front

What is the value of sin(90°)?

Back

1

Front

What are the coordinates of the point on the unit circle at 180°?

Back

(-1, 0)