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12th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-12

  • question_answer
    If \[x\in \left( \frac{-\pi }{2},\,\,\frac{\pi }{2} \right),\] then the value of \[{{\tan }^{-1}}\left( \frac{\tan x}{4} \right)+{{\tan }^{-1}}\,\,\left( \frac{3\,\,\sin \,\,2x}{5+3\,\,\cos \,\,2x} \right)\]is ________.

    A)  \[x\]    

    B)  \[\frac{x}{2}\]

    C)  \[2x\]                           

    D)  \[3x\]

    E)  None of these

    Correct Answer: A

    Solution :

    Not Available                


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