Unit Circle Practice

Front

What is a complete circle in radians?

Back

2π

Front

What is the angle measure, in degrees, at the red marking on the unit circle?

Back

45°

Front

What is the value of cos(π/6)?

Back

√3/2

Front

What is π/2 in degrees?

Back

90°

Front

What is the exact value of cos(330°)?

Back

√3/2

Front

What is the relationship between degrees and radians?

Back

Degrees = Radians × (180/π)

Front

What is the value of sin(30°)?

Back

1/2

Front

What is the value of tan(45°)?

Back

1

Front

What is the value of sin(π/3)?

Back

√3/2

Front

What is the value of cos(0°)?

Back

1