Prove that cot^2Acosec^2B-cot^2Bcosec^2A=cot^2A-cot^2B

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asked Feb 15, 2018 in Mathematics by Kundan kumar (49,132 points) 34 384 1028

Prove that cot2Acosec2B-cot2Bcosec2A=cot2A-cot2B

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answered Feb 15, 2018 by Vikash Kumar (144,729 points) 8 11 21
 
Best answer

Hence proved

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