United States of America
Grades 9-12
6.05 Verifying trig identities
Interactive practice questions
Prove that $\frac{\sin^2\left(x\right)}{\cos^2\left(x\right)}=\tan^2\left(x\right)$sin2(x)cos2(x)=tan2(x).
Easy
2min
Prove that $\frac{\sin x}{\cos x\tan x}=1$sinxcosxtanx=1
Easy
1min
Prove the following identity.
$\sin A\cdot\cos A\cdot\tan A=\sin^2\left(A\right)$sinA·cosA·tanA=sin2(A)
Easy
2min
Prove that $\frac{\tan x\cos x}{\sin x}=1$tanxcosxsinx=1.
Easy
1min
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