Inverse Trigonometric Functions

Bihar Board Class 12 · Mathematics · 106 past questions

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1. Q49 2024 Set D2024 Set J

   Prove that $4(\cot^{-1}3+\cot^{-1}2)=\pi$.

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2. Q50 2024 Set D2024 Set J

   Prove that $\sin^{-1}\frac{4}{5}+\sin^{-1}\frac{5}{13}+\sin^{-1}\frac{16}{65}=\frac{\pi}{2}$.

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