Question

approximate the solutions (to three decimal places) of the given equation in the interval

square bracket 0, 2π)

sin 2x + 1.5 cos x = 0

Answer 1

"square bracket"? Is your keyboard defective, so you can't just type "[" ?

Even more confusing is that you didn't use what I gave you at

http://www.jiskha.com/display.cgi?id=1468255629