Evaluate Sine Cosine Tangent Unit Circle

Front

What are the coordinates of 60° on the unit circle?

Back

(1/2, √3/2)

Front

Tangent is...

Back

both a and b (Opposite side / hypotenuse and sine/cosine)

Front

What is the measure of a complete circle in radians?

Back

2π

Front

π/3 is equal to how many degrees?

Back

60°

Front

What is sin(0°)?

Back

0

Front

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

Back

(√3/2, 1/2)

Front

What is the value of cos(90°)?

Back

0

Front

What is the relationship between sine and cosine?

Back

sin(θ) = cos(90° - θ) for any angle θ.

Front

What is the value of tan(45°)?

Back

1

Front

What is the sine of 180°?

Back

0