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(sin A)/(1+cos A)+(1+cos A)/(sin A)=2cos...

(sin A)/(1+cos A)+(1+cos A)/(sin A)=2cos aA

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

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

(sin A) / (1 + cos A) + (1 + cos A) / (sin A) = 2cos ecA

Show that (1+sin A)/(cos A)+(cos B)/(1-sin B)=(2sin A-2sin B)/(sin(A-B)+cos A-cos B)

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

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

Prove the following identities: (cos A)/(1-sin A)+(sin A)/(1-cos A)+1=(sin A cos A)/((1-sin A)(1-cos A))((1+cot A+tan A)(sin A-cos A)/(sec^(3)A-cos ec^(3)A)=sin^(2)A cos^(2)A

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

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

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