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10 questions from this quiz
111
(cosθ,sinθ)(\cos \theta, \sin \theta)(cosθ,sinθ)
π\piπ
Odd multiples of π2\frac{\pi}{2}2π
32\frac{\sqrt{3}}{2}23
12\frac{1}{\sqrt{2}}21
Tangent
−cosθ-\cos \theta−cosθ
cosθ\cos \thetacosθ
2π2\pi2π
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