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12th Class Mathematics Sample Paper Maths Olympiad Model Paper-8

  • question_answer
    The principal value of \[{{\sin }^{-1}}\,\,\left( -\frac{\sqrt{3}}{2} \right)\] is

    A)  \[\frac{-2\pi }{3}\]                    

    B)  \[\frac{-\pi }{3}\]

    C)  \[\frac{4\pi }{3}\]                                 

    D)  \[\frac{5\pi }{3}\]

    E)  None of these

    Correct Answer: B

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