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Prove that cosecA-2cot2AcosA=sinA...

Prove that `cosecA-2cot2AcosA=sinA`

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Prove that (cosA-sinA+1)/(cosA+sinA-1) =cosec A+ cot A using the identity cosec^(2)A=1+cot^(2)A .

Prove that (cosA-sinA+1)/(cosA+sinA-1) =cosec A+ cot A using the identity cosec^(2)A=1+cot^(2)A .

Prove that (cosecA+cotA)/(cosecA-cotA)=(cosecA+cotA)^2 .

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Prove that (cosA-sinA)/(cosA+sinA)=sec2A-tan2A

Prove the following: cosecA-2cot2A.cosA=2sinA

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