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10 cards from this deck
cos2θ+sin2θ=1\cos^2\theta + \sin^2\theta = 1cos2θ+sin2θ=1
tanθ=sinθcosθ\tan\theta = \frac{\sin\theta}{\cos\theta}tanθ=cosθsinθ
12\frac{1}{2}21
Sine
cosθ\cos\thetacosθ
180°180°180°
12bcsinA\frac{1}{2}bc\sin A21bcsinA
sinAa=sinBb=sinCc\frac{\sin A}{a} = \frac{\sin B}{b} = \frac{\sin C}{c}asinA=bsinB=csinC
2sinθcosθ2\sin\theta\cos\theta2sinθcosθ
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