`4sinxcosx = sqrt3`

`2(2sinxcosx)=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`

(The entire section contains 71 words.)

## Unlock This Answer Now

Start your **48-hour free trial** to unlock this answer and thousands more. Enjoy eNotes ad-free and cancel anytime.

Already a member? Log in here.