Evaluate ∫cos2(x) dx\int \cos^2(x)\,dx∫cos2(x)dx.
x2+sin(2x)4+C\frac{x}{2} + \frac{\sin(2x)}{4} + C2x+4sin(2x)+C
x−sin(2x)2+Cx - \frac{\sin(2x)}{2} + Cx−2sin(2x)+C
x2−sin(2x)4+C\frac{x}{2} - \frac{\sin(2x)}{4} + C2x−4sin(2x)+C
sin(2x)+C\sin(2x) + Csin(2x)+C