Mister Exam

Derivative of cos(x)+sin(x)

Function f() - derivative -N order at the point
v

The graph:

from to

Piecewise:

The solution

You have entered [src]
cos(x) + sin(x)
sin(x)+cos(x)\sin{\left(x \right)} + \cos{\left(x \right)}
cos(x) + sin(x)
Detail solution
  1. Differentiate sin(x)+cos(x)\sin{\left(x \right)} + \cos{\left(x \right)} term by term:

    1. The derivative of cosine is negative sine:

      ddxcos(x)=sin(x)\frac{d}{d x} \cos{\left(x \right)} = - \sin{\left(x \right)}

    2. The derivative of sine is cosine:

      ddxsin(x)=cos(x)\frac{d}{d x} \sin{\left(x \right)} = \cos{\left(x \right)}

    The result is: sin(x)+cos(x)- \sin{\left(x \right)} + \cos{\left(x \right)}


The answer is:

sin(x)+cos(x)- \sin{\left(x \right)} + \cos{\left(x \right)}

The graph
02468-8-6-4-2-10105-5
The first derivative [src]
-sin(x) + cos(x)
sin(x)+cos(x)- \sin{\left(x \right)} + \cos{\left(x \right)}
The second derivative [src]
-(cos(x) + sin(x))
(sin(x)+cos(x))- (\sin{\left(x \right)} + \cos{\left(x \right)})
The third derivative [src]
-cos(x) + sin(x)
sin(x)cos(x)\sin{\left(x \right)} - \cos{\left(x \right)}
The graph
Derivative of cos(x)+sin(x)