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" के "(cot A+cos ecA-1)/(cot A-cos ecA+1...

" के "(cot A+cos ecA-1)/(cot A-cos ecA+1)=(1+cos A)/(sin A)

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Prove the following identities: (cot A+cos ecA-1)/(cot A-cos ecA+1)=(1+cos A)/(sin A)

Prove that (cot A-cos A)/(cot A+cos A)=(cos ecA-1)/(cosecA+1)

Prove that (cot A-cos A) / (cot A + cos A) = (cos ecA-1) / (cos ecA + 1)

cos ecA-2cot2A cos A = 2sin A

prove that: (cot A-cos A) / (cot A + cos A) = (cos ecA-1) / (cos ecA + 1)

Prove: (1-cos A)/(1+cos A)=(cot A-cos ecA)^(2)

cos ecA=4p+(1)/(16p) then cos ecA+cot A=

cos ecA=4p+(1)/(16p) then cos ecA+cot A=

(cos ecA) / (cos ecA-1) + (cos ecA) / (cos ecA + 1) = 2sec ^ (2) A

Prove: (cos ecA)/(cos ecA-1)+(cos ecA)/(cos ecA+1)=2sec^(2)A