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Homework Prove that (2 - cos^2A)(1+2cot^2A)=(2+cot^2A)(2-sin ^2A)

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Homework Prove that (2 - cos^2A)(1+2cot^2A)=(2+cot^2A)(2-sin ^2A)...

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Homework Prove that (2 - cos^2A)(1+2cot^2A)=(2+cot^2A)(2-sin ^2A)​

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Homework Prove that (2 - cos^2A)(1+2cot^2A)=(2+cot^2A)(2-sin ^2A)