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  3. 12th Class
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12th Class Mathematics Sample Paper Mathematics Olympiad - Sample Paper-2

  • question_answer
    If\[4\text{ }si{{n}^{-1}}\,x+cos{{\,}^{-1}}x=\pi \], then x is equal to

    A)  \[0\]                

    B)  \[\frac{1}{2}\]

    C)  \[-\frac{1}{2}\]            

    D)  \[1\]

    Correct Answer: B

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