Calculus Examples

Find the Derivative - d/dx 2cos(x)
2cos(x)
Step 1
Since 2 is constant with respect to x, the derivative of 2cos(x) with respect to x is 2ddx[cos(x)].
2ddx[cos(x)]
Step 2
The derivative of cos(x) with respect to x is -sin(x).
2(-sin(x))
Step 3
Multiply -1 by 2.
-2sin(x)
 [x2  12  π  xdx ]