UNIT CIRCLE

Front

What is the value of cosine at 0 degrees?

Back

1

Front

What is the value of cosine at 135 degrees?

Back

-√2 /2

Front

What is the value of sine at 30 degrees?

Back

1/2

Front

What is the value of sine at 150 degrees?

Back

1/2

Front

What is the value of sine at 330 degrees?

Back

-1/2

Front

Define the unit circle.

Back

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

Front

What is the relationship between sine and cosine on the unit circle?

Back

Sine corresponds to the y-coordinate and cosine corresponds to the x-coordinate of a point on the unit circle.

Front

What is the value of cosine at 90 degrees?

Back

0

Front

What is the value of sine at 90 degrees?

Back

1

Front

What is the value of cosine at 180 degrees?

Back

-1