Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
Identifique f(x) and a tais que limit as h-> 0 of (cos(pi+h)+1)/(h) = f'(a) . Calcule o valor
Identifique f(x) and a tais que limit as h-> 0 of (cos(pi+h)+1)/(h) = f'(a) . Calcule o valor
Natural Language
Math Input