Prove the following identities : = 1\(1 + cos A) + 1\(1 - cos A) = 2 cosec^2 A

Question

KnowledgeBoat · Accepted Answer

Solving L.H.S. of the equation : By formula, 1 - cos² A = sin² A Since, L.H.S. = R.H.S. Hence, proved that = 2 cosec² A.

Mathematics