Question

integral of cos(3x/5)...

Answer 1

Well, tell me how you solved it before I tell you if it's right

Answer 2

I didn't include them here, but I do have limits. So there's no + C

Answer 3

Uhm well right idea, but you actually did it right the first time

Answer 4

When you do a u sub you have to account for the derivative, in this case the deriv of your u

Answer 5

u = 3x/5
du = 3/5 dx
dx = 5/3 du

Ya I was right the first time

Answer 6

Yup

Answer 7

Thanks

Answer 8

You got it dude :)