F24 Adv. Algebra Unit Circle & Trig Exam

Front

How many radians make up a SEMICIRCLE?

Back

Front

Solve: 2sinx-1=0; [0, 2π]

Back

Front

What is the reference angle for -30°?

Back

The reference angle for -30° is 30°.

Front

What are the exact coordinates of 3π/4 on the unit circle?

Back

Front

What quadrant is -2π/3 in?

Back

-2π/3 is in the III quadrant.

Front

What is the definition of a reference angle?

Back

A reference angle is the acute angle formed by the terminal side of an angle and the x-axis.

Front

Convert 180° to radians.

Back

Front

What is the sine of 90°?

Back

The sine of 90° is 1.

Front

What is the cosine of 0°?

Back

The cosine of 0° is 1.

Front

What is the tangent of 45°?

Back

The tangent of 45° is 1.