Solving Riemann Sums for \int_0^{2\pi} x^{2}sin(x)\,dx | Homework Help

[undrcvrbro]

Homework Statement

Express the integral as a limit of Riemann sums. Do not evaluate the limit.

Homework Equations

\int_0^{2\pi} x^{2}sin(x)\,dx

The Attempt at a Solution

I really don't know where to start...any help getting me started would be highly appreciated!

 

[LogicalTime]

This should get you started:
http://letmegooglethatforyou.com/?q=riemann+sum

 

[undrcvrbro]

haha i saw that coming before I clicked the url.

 

[LogicalTime]

but seriously just expressing any integral is probably much simpler than you are thinking, all you have to do is basically write down the definition of a Riemann sum here is a better link:

(first equation on page, just substitute your function in)
http://math.fullerton.edu/mathews/n2003/RiemannSumMod.html

 

[undrcvrbro]

alright, seems like I was just over thinking. Thats what I figured. Thanks.

 

[LogicalTime]

happy to help, good luck