Prove that tan^2A/tan^2A-1+cosec^2A/sec^2A-cosec^2A=1/1-2cos^2A

Pcoving asked Feb 22, 2023

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Pcoving asked Feb 22, 2023

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17 votes

Prove: <br>

cosec2 A-cos2 A=sec2A -sin2 Atan2A

Dhable answered Feb 26, 2023

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