# Math Help - find the length of the curve over the interval

1. ## find the length of the curve over the interval

i kinda got stuck on this problem and im not sure where to go with it??? any suggestions? thx in advanceIMG_0002.pdf

2. Originally Posted by slapmaxwell1
i kinda got stuck on this problem and im not sure where to go with it??? any suggestions? thx in advanceIMG_0002.pdf
1 + cos(θ) = 2cos^2(θ/2)

Now proceed with integration.