Question

sin-1x - cos-1x = pie/6

Answer 1

Hi Mate!!!

We know a well know identity I,e Sin-1x + Cos-1x = π/2


Exp:-.

(π/2) -2Cos-1x = π/6


(π/2) - (π/6) = 2 Cos-1x

2 Cos-1x = π /3

Cos-1x = π/6

x = Cos(π/6)

x = √3/2


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