9. Unit Circle
Reference Angles
Multiple Choice
Multiple ChoiceIdentify what angle, θ , satisfies the following conditions.
cosθ=23; sinθ < 0
A
30°
B
60°
C
120°
D
330°
43
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Identify what angle, θ , satisfies the following conditions.
cosθ=23; sinθ < 0
30°
60°
120°
330°