Question

Question #99c22

Answer 1

`cosx+sinx`

Explanation:

These 2 functions have `color(blue)"standard derivatives"`

`color(orange)"Reminder " color(red)(bar(ul(|color(white)(2/2)color(black)(d/dx(sinx)=cosx" and " d/dx(cosx)=-sinx)color(white)(2/2)|)))`

`rArrd/dx(sinx-cosx)=cosx-(-sinx)=cosx+sinx`