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10 questions from this quiz
Two angles that sum to 90°90°90°
55°55°55°
cosθ\cos \thetacosθ
cotθ\cot \thetacotθ
Tangent and cotangent
The complementary relationship
Opposite and adjacent sides swap roles
θ=180°n\theta = 180°nθ=180°n where nnn is an integer
sin30°\sin 30°sin30°
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