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10 questions from this quiz
Express trig functions of compound angles in terms of θθθ
sinθ\sin θsinθ
tanθ\tan θtanθ
cosθ\cos θcosθ
Trig functions equal when arguments are complementary
−sinθ-\sin θ−sinθ
When determining values of 90°±θ90° ± θ90°±θ or θ±90°θ ± 90°θ±90°
Symmetrical about the origin
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