Which expression represents the indefinite integral of ∫sin(5x)dx\int \sin(5x) dx∫sin(5x)dx?
−15cos(5x)+C-\frac{1}{5}\cos(5x) + C−51cos(5x)+C
15cos(5x)+C\frac{1}{5}\cos(5x) + C51cos(5x)+C
−cos(5x)+C-\cos(5x) + C−cos(5x)+C
cos(5x)+C\cos(5x) + Ccos(5x)+C