Find the derivative of x by first principle

- Find the derivative of tan x by first principle
- Find the derivative of cos x by using first principle
- Find the derivative of x 1 x 2 by first principle
- Find the derivative of sin x by first principle
- Find the derivative of cos x by first principle
- Find the derivative of cosec x by first principle
- Find the derivative of cot x by first principle
- Find the derivative of sec x by first principle
- Find the derivative of root x by first principle
- Find the derivative of tan x by first principle method
- Find the derivative of sinx x by first principle
- Find the derivative of log x by first principle
- Find the derivative of 1 x by first principle
- Find the derivative of x by using first principle
- Find the derivative of x cube by first principle