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प्रश्न
Write the principal value of `tan^-1sqrt3+cot^-1sqrt3`
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उत्तर
We know
\[\tan^{- 1} x + \cot^{- 1} x = \frac{\pi}{2}\]
\[\therefore \tan^{- 1} \sqrt{3} + \cot^{- 1} \sqrt{3} = \frac{\pi}{2}\]
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