If cos-1x+cos-1y+cos-1z=pi and x+y+z=3/2, prove that x=y=z Please help urgent - Maths - Inverse Trigonometric Functions

Question

If cos-1x+cos-1y+cos-1z=pi and x+y+z=3/2, prove that x=y=z Please
help urgent

Amit Shukla · Accepted Answer

Kindly, refer to the below link for similar query,

https://www meritnation
com/ask-answer/question/prove-that-x-tan-1-2-sin2x-1-2cos-2x-1-2/inverse-trigonometric-functions/10323813

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If cos-1x+cos-1y+cos-1z=pi and x+y+z=3/2, prove that x=y=z. Please help....urgent.