Find the indefinite integral ∫cos(2x+1)dx\int \cos(2x+1) dx∫cos(2x+1)dx.
sin(2x+1)+C\sin(2x+1) + Csin(2x+1)+C
12sin(2x+1)+C\frac{1}{2}\sin(2x+1) + C21sin(2x+1)+C
−12cos(2x+1)+C-\frac{1}{2}\cos(2x+1) + C−21cos(2x+1)+C
12cos(2x+1)+C\frac{1}{2}\cos(2x+1) + C21cos(2x+1)+C