Question:medium

\[ \tan^{-1}1+\tan^{-1}2+\tan^{-1}3= \]

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While adding inverse tangent terms, always check the sign of \(1-ab\) to decide the correct quadrant.

Updated On: May 7, 2026

\(\frac{3\pi}{4}\)
\(\frac{\pi}{2}\)
\(\pi\)
\(2\pi\)

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The Correct Option is C

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