Math, asked by ravi77, 1 year ago

tan-1 (cosec x_cot x )

Answers

Answered by kvnmurty
1
Answer = x/2..
Cosec x - cot x = (1- cosx)/sin x
= 2 sin^2 x/2 ÷ 2 sin x/2 cos x/2
= tan x/2..
So the ans.
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