`4 sin x cos x=sqrt 3` Solve the equation.

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`4sinxcosx = sqrt3`


Replace `2sinxcosx` with `sin (2x)` . Note that base on the double angle identity `sin(2x) = 2sinxcosx` . 

`2 sin (2x) = sqrt 3`

    `sin 2x = sqrt3/2`

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