Question

Prove it..

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Answer 1

Hii !!



We have :-


LHS = Tan^-1 ( √1 - Cos x / 1 + Cos x ) = Tan^-1 √2 Sin² ( x/2 ) / 2 Cos² ( x/2 ).





=> Tan^-1 ( Tan x/2 ) = x/2 = RHS.

Therefore,


Tan^-1 ( √1 - Cos x / 1 + Cosx ) = x/2.

Answer 2

Hi!!!!!


Refer to the attachment