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JEE Main & Advanced Mathematics Inverse Trigonometric Functions Question Bank Numerical Value Type Questions - Inverse Trigonometric Function

  • question_answer
    If \[{{\cos }^{-1}}\left( \frac{15}{17} \right)+2{{\tan }^{-1}}\left( \frac{1}{5} \right)={{\cos }^{-1}}\left( \frac{140}{k} \right)\]then find k.

    Answer:

    221.00


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