I had some trouble with this problem while preparing for the Calculus BC AP test. Any tricks to a solution?

The problem reads:

If is a positive integer, then

and the answer choices are as follows:

A.) 0

B.) 2/pi

C.) pi/2

D.) 2

E.) 2pi

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- Apr 24th 2010, 04:14 PMjameselmore91Infinite Sum Limit
I had some trouble with this problem while preparing for the Calculus BC AP test. Any tricks to a solution?

The problem reads:

If is a positive integer, then

and the answer choices are as follows:

A.) 0

B.) 2/pi

C.) pi/2

D.) 2

E.) 2pi - Apr 24th 2010, 04:53 PMKrizalid
you know what a Riemann sum is?