Inverse Trigonometric Functions

Bihar Board Class 12 · Mathematics · 106 past questions

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1. Q73 2021 Set I

   $2\tan^{-1}\dfrac13+\tan^{-1}\dfrac17 =$

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2. Q86 2021 Set J

   $2\tan^{-1}\frac{1}{3} + \tan^{-1}\frac{1}{7} =$

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