Evaluate Trig Functions on the Unit Circle

Front

What is the value of cos 60°?

Back

1/2

Front

Convert π/4 radians into degrees.

Back

45°

Front

What is the value of cos (π/6)?

Back

√3/2

Front

What is the measure of a complete circle in radians?

Back

2π

Front

What is the value of sin (π/2)?

Back

1

Front

What is the value of sin 30°?

Back

1/2

Front

What is the value of cos 45°?

Back

√2/2

Front

Convert 180° into radians.

Back

π

Front

What is the value of tan (π/4)?

Back

1

Front

What is the value of sin (π/3)?

Back

√3/2