Find ∫cos2xdx\int \cos^2 x dx∫cos2xdx.
x2+sin(2x)4+C\frac{x}{2} + \frac{\sin(2x)}{4} + C2x+4sin(2x)+C
x2−sin(2x)4+C\frac{x}{2} - \frac{\sin(2x)}{4} + C2x−4sin(2x)+C
sin3x3+C\frac{\sin^3 x}{3} + C3sin3x+C
None