Mister Exam

Derivative of cost/2

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

The graph:

from to

Piecewise:

The solution

You have entered [src]
cos(t)
------
  2   
$$\frac{\cos{\left(t \right)}}{2}$$
d /cos(t)\
--|------|
dt\  2   /
$$\frac{d}{d t} \frac{\cos{\left(t \right)}}{2}$$
Detail solution
  1. The derivative of a constant times a function is the constant times the derivative of the function.

    1. The derivative of cosine is negative sine:

    So, the result is:


The answer is:

The graph
The first derivative [src]
-sin(t) 
--------
   2    
$$- \frac{\sin{\left(t \right)}}{2}$$
The second derivative [src]
-cos(t) 
--------
   2    
$$- \frac{\cos{\left(t \right)}}{2}$$
The third derivative [src]
sin(t)
------
  2   
$$\frac{\sin{\left(t \right)}}{2}$$
The graph
Derivative of cost/2