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12th Class Mathematics Sample Paper Maths Olympiad Model Paper-7

  • question_answer
    \[\int{\frac{dx}{1-\cos x-\sin x}}\]is equal to

    A)  \[\log \left| 1+\cot \frac{x}{2} \right|+c\]           

    B)  \[\log \left| 1-\tan \frac{x}{2} \right|+c\]

    C)  \[\log \left| 1-\cot \frac{x}{2} \right|+c\]

    D)  \[\log \left| 1+\tan \frac{x}{2} \right|+c\]

    E)  None of these

    Correct Answer: C

    Solution :

    Not Available    


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