Multiple Choice Questions on If tan x 1 0 lt x lt 90o then what is the value of 2 sin x cos x ........ for CDS Exam Preparation

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Multiple Choice Questions

If tan x 1 0 lt x lt 90o then what is the value of 2 sin x cos x ........

Quantitative Aptitude (CDS) Trignometry
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    If tan x = 1, 0 < x < 90o, then what is the value of 2 sin x cos x?

    1 / 2

    Incorrect Answer

    1

    Correct Answer

    \sqrt{3} / 2

    Incorrect Answer

    \sqrt{3}

    Incorrect Answer
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    Explanation:

    tan x = 1
    then
    x = 45o

    2sinxcosx= 2\times\frac{1}{\sqrt2}\times\frac{1}{\sqrt2} = 1

    By: Munesh Kumari
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