JEE Main & Advanced Sample Paper JEE Main Sample Paper-45

  • question_answer
    The number of solution of the equation  is greater than or equal to\[{{2}^{\cos \,x}}=\,|\,\sin \,x|\] in \[[-2\pi ,\,\,2\pi ]\] is greater than or equal to

    A)  1                                

    B)  4               

    C)  8                                

    D)  3

    Correct Answer: C

    Solution :

     \[{{2}^{\cos \,x}}=\,|\,\sin \,x|\] From graph, 8 solution exist in \[[-2\pi ,\,\,2\pi ]\].

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