Differentiation of x power 4

- Differentiation of cos power 4 x
- Differentiation of x ki power 4
- Differentiation of 1 by x power 4
- Differentiation of log x ki power 4
- Differentiation of sin power 4 x
- Differentiation of tan power 4 x
- Differentiation of e ki power 4 x
- Differentiation of cos ki power 4 x
- Differentiation of tan inverse x to the power 4
- Differentiation of e to the power 4 x