Inverse Trigonometric Functions

Bihar Board Class 12 · Mathematics · 106 past questions

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1. Q95 2017

   $\tan^{-1}(1) = \ldots\ldots$?

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2. Q96 2017

   $\tan^{-1}\frac{1}{2} + \tan^{-1}\frac{1}{4} = \ldots\ldots\ldots\ldots$

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3. Q97 2017

   Prove that $\tan^{-1}x+\cot^{-1}x=\frac{\pi}{2}$

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