Multiple Choice Questions on The value of cos 1 1 ndash sin 1 1 is ........ for 11th Standard Preparation

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Multiple Choice Questions

The value of cos 1 1 ndash sin 1 1 is ........

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    The value of cos-1 (-1) –sin-1 (1) is:

    \pi

    Incorrect Answer

    \frac{\pi}{2}

    Correct Answer

    \frac{3\pi}{2}

    Incorrect Answer

    -\frac{3\pi}{2}

    Incorrect Answer
    Explanation:

    \frac{\pi}{2}

    By: Swaminath Yadav
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