∫sin5xdx = _____?
∫sin5xdx = _____?
Explanation
Let u = 5x, du/dx = 5, du = 5dx, dx = du/5
∫sin5xdx = (1/5)∫sinu du
= (1/5)(-cosu) + c
= -1/5cos5x + c
Let u = 5x, du/dx = 5, du = 5dx, dx = du/5
∫sin5xdx = (1/5)∫sinu du
= (1/5)(-cosu) + c
= -1/5cos5x + c