Question

How would you integrate 8cos (pix)?

Answer 1

I know the antiderivative of cos (x) is sin (x)

Answer 2

-sinx? What do you mean?

Answer 3

The anti derivative of cosx is -sinx

Answer 4

Sorry I'm using mobile

Answer 5

No lol

Answer 6

\[\large\rm \int\limits_{ }^{} 8\cos(\pi x)~ dx \] like this ?

Answer 7

You're thinking about the derivative

Answer 8

Yes

Answer 9

find anti derivative
and since there is a funcation inside a function `pi x` you have to apply the chain rule

Answer 10

Ohh i think there is something called substitution rule