Prove:tan^3x/sin^2x-1/sinx.cosx+cot^3x/cos^2x=tan^3x+cot^3x

Lbergnehr asked Jun 19, 2022

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Lbergnehr asked Jun 19, 2022

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6 votes

Answer:

picture above my answer is the answer you asked

Stefaan answered Jun 23, 2022

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