trigonometry question

From: "jennifer" <scrilla_12_1999@xxxxxxxxx>
Date: 1 Mar 2006 20:26:00 -0800

I have also tried solving this to no avail even by using the double
angle formula.

The equation is 4/pi = 2sinx-sin2x to solve for x.

I used

sin2x= 2sinxcosx

Can someone help please ?

.

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