Multiple Choice Questions on If sin 2 cos 3 and is an acute angle then sin equals ........ for 11th Standard Preparation

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Multiple Choice Questions

If sin 2 cos 3 and is an acute angle then sin equals ........

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    If sin  2\theta?  = cos 3\theta and \theta?  is an acute angle, then sin \theta?  equals

    \frac{\sqrt5+1}{4}

    Correct Answer

    -\left ( \frac{\sqrt5-1}{4} \right )

    Incorrect Answer

    \frac{\sqrt5+1}{4}

    Incorrect Answer

    \frac{-\sqrt5-1}{4}

    Incorrect Answer
    Explanation:

    \frac{\sqrt5+1}{4}

    By: Swaminath Yadav
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