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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-20

  • question_answer
    \[\text{cosec}\theta (\sec \theta -1)-\cot \theta (1-\cos \theta )\] equals to _______.

    A)  \[\tan \theta +\sin \theta \]                     

    B)  \[\tan \theta +\cot \theta \]

    C)  \[\tan \theta +\cos \theta \]                    

    D)  \[\tan \theta -\sin \theta \]

    E)  None of these

    Correct Answer: D

    Solution :

     Not Available


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