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10 cards from this deck
Equation true for all valid angle values
tanθ=sinθcosθ\tan \theta = \frac{\sin \theta}{\cos \theta}tanθ=cosθsinθ
When cosθ=0\cos \theta = 0cosθ=0 (odd multiples of 90°)
sin2θ+cos2θ=1\sin^2 \theta + \cos^2 \theta = 1sin2θ+cos2θ=1
sin2θ=1−cos2θ\sin^2 \theta = 1 - \cos^2 \thetasin2θ=1−cos2θ
cos2θ=1−sin2θ\cos^2 \theta = 1 - \sin^2 \thetacos2θ=1−sin2θ
Convert everything to sine and cosine
Pythagorean theorem
Vertical asymptotes
sin2θ\sin^2 \thetasin2θ
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