10sin^-1x-4π=8sin^-1-5π

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Find the exact solution of the equation

Nov 23rd, 2014

10sin-1x-4π=8sin-1x-5π

10sin-1x-8sin-1x= -5π+4π = - π

2 sin -1 x = - π

sin -1 x = - π/2

x = sin (-π/2) = -sin (π/2)= -1

Answer: x = -1

Nov 23rd, 2014

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