Unit Circle Trig Test #2 REVIEW

Front

What is the value of cos 120°?

Back

Front

At what angle do the sine and cosine functions have equal values in the first quadrant?

Back

45°

Front

What is the value of cos(-225°)?

Back

Front

What is the value of tan(π/6)?

Back

Front

What is the value of sec 240°?

Back

-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 sine of an angle in the unit circle?

Back

The y-coordinate of the point on the unit circle corresponding to that angle.

Front

What is the cosine of an angle in the unit circle?

Back

The x-coordinate of the point on the unit circle corresponding to that angle.

Front

What is the tangent of an angle in the unit circle?

Back

Front

What are the coordinates of the point on the unit circle at 30°?

Back