###### Asked in Math and ArithmeticCalculus

Math and Arithmetic

Calculus

# How do you differentiate 2tanx?

## Answer

###### Wiki User

###### January 09, 2012 4:08PM

Coefficients can be removed when differentiating, i.e. d/dx 2tanx = 2 d/dx tanx

You should know that d/dx tanx = sec2x (either by differentiating sinx/cosx or by just remembering the derivatives of common trig functions, as it will come in handy).

So the answer is 2sec2x