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10 cards from this deck
tanθ=sinθcosθ\tan \theta = \frac{\sin \theta}{\cos \theta}tanθ=cosθsinθ
π\piπ units
All real numbers (R\mathbb{R}R)
θ=(2k+1)π2\theta = \frac{(2k+1)\pi}{2}θ=2(2k+1)π (odd multiples of π2\frac{\pi}{2}2π)
θ=kπ\theta = k\piθ=kπ (integer multiples of π\piπ)
πn\frac{\pi}{n}nπ
111
3\sqrt{3}3
tan(−θ)=−tanθ\tan(-\theta) = -\tan \thetatan(−θ)=−tanθ
Convert to tan(nx)=k\tan(nx) = ktan(nx)=k
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