12th Class Mathematics Sample Paper Maths Olympiad Model Paper-3

  • question_answer
    The value of the integral \[\int{\frac{{{\cos }^{3}}x+{{\cos }^{5}}x}{{{\sin }^{2}}x+{{\sin }^{4}}x}}\,\,dx\] is

    A)  \[\sin x-6{{\tan }^{-1}}(\sin x)+c\]

    B)  \[\sin x-2{{(\sin x)}^{-1}}+c\]

    C)  \[\sin x-2{{(\sin x)}^{-1}}-{{6}^{\tan -1}}(\sin x)+c\]

    D)  \[\sin x-2{{(\sin x)}^{-1}}+{{5}^{\tan -1}}(\sin x)+c\]

    E)  None of these

    Correct Answer: C


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