Trig/Unit Circle

Front

Coordinates of 60° on the unit circle?

Back

(1/2, √3/2)

Front

On the unit circle, which radian measure represents the point (^√3/₂ , -¹/₂)? Options: ^11π/₆, ^5π/₃, ^7π/₆, ^4π/₃

Back

^11π/₆

Front

Given the ordered pair (-¹/₂ , ^√3/₂), what is the value of cosine?

Back

^-1/₂

Front

Evaluate sin (7π/6).

Back

-1/2

Front

Evaluate cos (150^o).

Back

-√3/2

Front

Find θ if tan θ = -1, and θ is in Quadrant II. Options: 2π/3, 5π/6, 3π/4, 5π/4

Back

3π/4