Fundamental Trig Identities
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23 Terms
sinx
\frac{1}{\csc x}
cosx
\frac{1}{\sec x}
tanx
\frac{1}{\cot x}
cscx
\frac{1}{\sin x}
secx
\frac{1}{\cos x}
cotx
\frac{1}{\tan x}
tanx
\frac{\left(\sin x\right)}{\left(\cos x\right)}
cotx
\frac{\left(\cos x\right)}{\left(\sin x\right)}
sin2x+cos2x
1
1+tan2x
sec2x
1+cot2x
csc2x
\sin\left(\frac{\pi}{2}-x\right) - cofunction
\cos x
\tan\left(\frac{\pi}{2}-x\right)
\cot x
\sec\left(\frac{\pi}{2}-x\right)
\csc x
\cos\left(\frac{\pi}{2}-x\right)
\sin x
\cot\left(\frac{\pi}{2}-x\right)
\tan x
\csc\left(\frac{\pi}{2}-x\right)
\sec x
\sin\left(-x\right)
-\sin x
\cos\left(-x\right)
\cos x
\tan\left(-x\right)
-\tan x
\csc\left(-x\right)
-\csc x
\sec\left(-x\right)
\sec x
\cot\left(-x\right)
-\cot x
Note 
Flashcards (22)