Multiple Choice Questions on If 3 cot theta 4 cos theta then what is the value of cos 2 theta ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

If 3 cot theta 4 cos theta then what is the value of cos 2 theta ........

Quantitative Aptitude ( CCS) Trignometry
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    If 3 cot θ =4 cos θ , then what is the value of cos 2θ

    2/16

    Incorrect Answer

    -1/8

    Correct Answer

    7/16

    Incorrect Answer

    9/16

    Incorrect Answer
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    Explanation:

    3 cot θ =4 cos θ
    Sin θ=3/4
    Cos 2θ=1-2sin2 θ=-1/8

    By: MIRZA SADDAM HUSSAIN
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