Multiple Choice Questions on If sin 2 1 2 then the value of cos 75 deg is ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

If sin 2 1 2 then the value of cos 75 deg is ........

Quantitative Aptitude ( CCS) Trignometry
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    If sin 2\Theta=1/2, then the value of cos (75°-\Theta) is

    1/2

    Correct Answer

    3/2

    Incorrect Answer

    2/3

    Incorrect Answer

    4/3

    Incorrect Answer
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    Explanation:

    Sin 2\Theta=sin60° and 2\Theta=30°
    So \Theta=15°.Hence cos60°= ½

    By: MIRZA SADDAM HUSSAIN
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