Unit Circle

Front

What is the value of cos(30°) on the unit circle?

Back

√3/2

Front

What is the value of cos(90°) on the unit circle?

Back

0

Front

What is the hypotenuse of any right triangle from the center of the unit circle to an edge?

Back

1

Front

What is the value of sin(0°) on the unit circle?

Back

0

Front

What is the value of cos(0°) on the unit circle?

Back

1

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 at 90° on the unit circle?

Back

(0, 1)

Front

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

Back

(-1, 0)

Front

What are the coordinates of the point at 270° on the unit circle?

Back

(0, -1)

Front

What is the value of sin(90°) on the unit circle?

Back

1