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" Prove that "cosec A-2cot2A cos A=2sin ...

" Prove that "cosec A-2cot2A cos A=2sin A

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Prove that :cos ecA-2cot2A cos A=2sin A

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Prove that: cotA-cot2A="cosec"2A

Prove that: cotA-cot2A="cosec"2A

prove that tan A+cot A=2 cosec 2A

Prove that : (cos A cot A)/ (1 - sin A) = 1 + cosec A

Prove that ( "cosec" A - sin A)(sec A- cos A)=(1)/((tan A+ cot A)).

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