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J & K CET Engineering J and K - CET Engineering Solved Paper-2005

  • question_answer
    .  The value of \[{{\cos }^{-1}}\,(\cos \,12)-{{\sin }^{-1}}\,(\sin 14)\] is

    A) \[-2\]            

    B)  \[8\pi -26\]

    C)  \[4\pi +2\]        

    D)  None of these

    Correct Answer: A

    Solution :

    Given,  \[{{\cos }^{-1}}(\cos 12)-{{\sin }^{-1}}(\sin 14)\] \[=12-14=-2\]


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