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Inverse Trigonometric Functions

MHT CET 2025 20th April Morning Shift

MCQ+2 / -02025

If $\tan ^{-1}\left(\frac{x}{2}\right)+\tan ^{-1}\left(\frac{y}{2}\right)+\tan ^{-1}\left(\frac{z}{2}\right)=\frac{\pi}{2} \quad$ then $x y+y z+z x=$

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