Math, asked by sdadagg2620, 10 months ago

Prove that cot^(xy +1/x-y) + cot^ (yz+1/y-z)+cot^ (zx +1/z-x)=0. (0

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Answered by pulakmath007

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Step-by-step explanation:

ANSWER ::

cot^-1(xy +1/x-y) + cot^-1 (yz+1/y-z)+cot^-1(zx +1/z-x)

= cot^-1 y- cot^-1 x + cot^-1 z -cot^-1 y + cot^-1x -cot^-1 z

= 0

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