Question:medium

If $\tan^{-1}x + \tan^{-1}y + \tan^{-1}z = \pi$, then $x + y + z$ is

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Key identity: if $\tan^{-1}x + \tan^{-1}y + \tan^{-1}z = \pi$, then $x + y + z = xyz$. This is a standard result for inverse trigonometry.

Updated On: Apr 8, 2026

$xyz$
0
1
$2xyz$

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The Correct Option is A

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Questions Asked in MET exam

If $f(x) = \begin{cases} x, & 0 \le x \le 1 \\ 2x - 1, & 1<x \end{cases}$, then

MET - 2019
Continuity

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