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(1-cosA)/(sin A)=(sin A)/(1+cos A...

`(1-cosA)/(sin A)=(sin A)/(1+cos A`

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(i) (1-cos A)/(sin A)=(sin A)/(1+cos A)

Prove the following identities : sqrt((1-cosA)/(1+cosA))=(sin A)/(1+cos A)

(cos A)/(1-sin A)=(1+cos A+sin A)/(1+cos A-sin A)

Prove: (1+cosA)/(sin^2A)=1/(1-cosA)

Prove that : (sin A)/ (1 + cos A) + (1 + cos A)/ (sin A) = 2 cosec A

Prove the following identities : (1)/ (cos A + sin A) + (1)/(cos A - sin A) = (2 cos A)/(2 cos^(2) A - 1)

Prove the following identities: (sinA+cosA)/(sinA-cosA)+(sinA-cosA)/(sinA+cosA)=2/(sin^2A-cos^2A)=2/(2sin^2A-1)=2/(1-2cos^2A)

Prove that (1+sin2A)/(cos2A)=(cosA+sinA)/(cosA-sinA)=tan((pi)/(4)+A)

Prove the following identities: (cosA)/(1-tanA)+(sin^2A)/(sinA-cosA)=sinA+cosA

Prove the following identities : (1)/ (sin A + cos A) + (1)/ (sin A - cos A) = (2 sin A)/ (1 - 2 cos^(2) A)