1, original function: y=c(c is a constant)

Derivative: y'=0

2. Original function: y = x n

Derivative: y' = NX (n- 1)

3. Original function: y=tanx

Derivative: y' = 1/cos 2x

4. Original function: y=cotx

Derivative: y' =- 1/sin 2x

5. Original function: y=sinx

Derivative: y'=cosx

6. Original function: y=cosx

Derivative: y'=-sinx

7. Original function: y = a x

Derivative: y' = a xlna

8. Original function: y = e x

Derivative: y' = e x

9. Original function: y=logax

Derivative: y'=logae/x

10, original function: y=lnx.

Derivative: y'= 1/x