Unit 6 Review - Unit Circle

Front

Back

20

Front

What is the value of csc(5π/3)?

Back

-\frac{2\sqrt{3}}{3}

Front

Find a coterminal angle to 45°.

Back

405°

Front

Back

\frac{1}{2}

Front

Back

0

Front

Define the Unit Circle.

Back

A circle with a radius of 1 centered at the origin (0,0) in the 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 relationship between sine and cosine?

Back

Front

What is a reference angle?

Back

The acute angle formed by the terminal side of an angle and the x-axis.