Csc^2 xcos^2 x=csc^2 x-1 prove the identity

asked Aug 15, 2021 218k views

5 votes

Csc^2 xcos^2 x=csc^2 x-1

prove the identity

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7 votes

Answer:

Explanation:

Hello

$csc^2(x)-1=(1)/(sin^2(x))-1=(1-sin^2(x))/(sin^2(x))\\=(cos^2(x))/(sin^2(x))=cos^2(x)csc^2(x)$

hope this helps

GaRos answered Aug 20, 2021