## Calculus 10th Edition

1. Integrate $= 5sinx - 4cosx + C$ 2. Differentiate $= 5cosx + 4sinx$
1. Integrate $\int (5cosx+4sinx)dx$ $= 5(sinx) + 4(-cosx) + C$ $= 5sinx - 4cosx + C$ 2. Differentiate $f(x) = 5sinx-4cosx$ $f'(x) = 5(cosx) - 4(-sinx)$ $f'(x) = 5cosx + 4sinx$