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

cosec A- 2cot 2A cos A=

cosec A -2 cot 2A cos A=

Prove that cosec A -2 cot 2 A cos A = 2 sin A.

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

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

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

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

( cos A - sin A + 1 ) / ( cos A + sin A - 1 ) = cosec A + cot A cosec A + cot A , = using the identity cosec ^ 2 A = 1 + cot^ 2 A .

Prove the following identities : (1 + sin A)/ (cosec A - cot A) - (1 - sin A)/ (cosec A + cot A) = 2(1 + cot A)

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