Trig Identities
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8 Terms
1
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\csc^2x
1+\cot^2x=? [Pythagorean]
2
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1
\sin^2x+\cos^2x=? [Pythagorean]
3
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\sec^2x
\tan^2x+1=? [Pythagorean]
4
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\frac12\left(1-\cos2x\right)
\sin^2x=? [Half-Angle]
5
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\frac12\left(1+\cos2x\right)
\cos^2x=? [Half-Angle]
6
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2\sin x\cos x
\sin2x=? [Double-Angle]
7
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\cos^2x-\sin^2x
\cos2x=? [Double-Angle]
8
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\frac{\sin x}{\cos x}
\tan x=? [terms of sine and cosine]
Note 
Flashcards (160)