[is it meant to be sin^2{x} or sin^2{3x}? I dont see how you could solve the equation in it's current state (I tried product to sum, then triple angle identity but thats so grindy).
[is it meant to be sin^2{x} or sin^2{3x}? I dont see how you could solve the equation in it's current state (I tried product to sum, then triple angle identity but thats so grindy).