Find the arc length:

for

I got for my integral:

What do I do from here? Should I substitute w/ double angle?

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- February 26th 2009, 05:44 PMmollymcf2009[SOLVED] Another Arc Lengths problem
Find the arc length:

for

I got for my integral:

What do I do from here? Should I substitute w/ double angle? - February 26th 2009, 06:04 PMmollymcf2009
Ok, I figured out that I can just integrate this as is:

**BUT THIS IS THE ORIGINAL PROBLEM?!?!?!?

I got:

Which is wrong. Any help is GREATLY appreciated!! - February 27th 2009, 01:40 AMmr fantastic