Question

Find the derivative of:
f(x)=sin(x)+cos(x) Find the derivative of:
f(x)=sin(x)+cos(x) @Mathematics

Answer 1

Is it f '(x)=0?

Answer 2

f(x)=sin(x)+cos(x)


f'(x)=d/dx(sin(x)+cos(x))


f'(x)=d/dx(sin(x))+d/dx(cos(x))


f'(x)=cos(x) - sin(x)

Answer 3

oh yes

Answer 4

Thanks