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Step-by-step Solution

Prove the trigonometric identity (1+cos(x))(1-cos(x))=sin(x)

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Step-by-step explanation

Problem to solve:

$\left(1+\cos\left(X\right)\right)\left(1-\cos\left(X\right)\right)=\sin\left(X\right)$

Answer

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$\left(1+\cos\left(X\right)\right)\left(1-\cos\left(X\right)\right)=\sin\left(X\right)$

Main topic:

Trigonometric identities

Time to solve it:

~ 0.35 seconds