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Proving Trigonometric Identities Calculator
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$\sin^2\left(x\right)-\sin^2\left(y\right)=\cos^2\left(y\right)-\cos^2\left(x\right)$
$\csc x-\sin x=\cot x\cos x$
$\cos\left(x-\frac{\pi}{2}\right)=\sin\left(x\right)$
$\csc\left(x\right)-\csc\left(x\right)\cos^2\left(x\right)=\sin\left(x\right)$
$\frac{\sec\left(x\right)-\cos\left(x\right)}{\tan\left(x\right)}=\sin\left(x\right)$
$\frac{1+sinx}{cosx}+\frac{cosx}{1+sinx}=2secx$
$\sec\left(x\right)-\sec\left(x\right)\sin^2\left(x\right)=\cos\left(x\right)$
$\left(1-\cos\left(x\right)\right)\left(1+\sec\left(x\right)\right)=\sin\left(x\right)\tan\left(x\right)$
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