I'm having problems integrating

the answer in the book is

I can't see how this answer is obtained.

Printable View

- Jul 5th 2006, 01:12 PMmacca101integration
I'm having problems integrating

the answer in the book is

I can't see how this answer is obtained. - Jul 5th 2006, 01:16 PMJameson
Let u=cos(x) and du=-sin(x)

This becomes

When you integrate this, the negatives cancel out and you get or - Jul 5th 2006, 01:24 PMmacca101
Tremendous :D

Thanks Jameson - Jul 5th 2006, 03:34 PMSoroban
Hello, macca101!

Another method . . .

Quote:

The answer in the book is: .

I'm surprised that they left the answer like that . . .

We have: .