Multiple Choice Questions on Suppose cos A is given If only one value of cos A 2 is possible then A must be ........ for NDA Exam Preparation

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Multiple Choice Questions

Suppose cos A is given If only one value of cos A 2 is possible then A must be ........

Mathematics (NDA) Trigonometry
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    Suppose cos A is given. If only one value of cos(A/2) is possible, then A must be

    An odd multiple of 900

    Incorrect Answer

    A multiple of 900

    Incorrect Answer

    An odd multiple of 1800

    Correct Answer

    A multiple of 1800

    Incorrect Answer
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    Explanation:

    A must be odd multiple of 180°.
    Hence option3 is correct

    By: Munesh Kumari
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