given-cos-1-x-cos-1-y-cos-1-z-pi-and-x-y-z-3-2-prove-that-x-y-z-

Question Number 77178 by jagoll last updated on 04/Jan/20

g i v e n \cos^{- 1} (x) + \cos^{- 1} (y) + \cos^{- 1} (z) = π

a n d x + y + z = \frac{3}{2}

p r o v e t h a t x = y = z .

Answered by john santu last updated on 04/Jan/20

Commented by jagoll last updated on 04/Jan/20

thanks you

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