Arc Length of a Polar Curve

[s200960170]

I gave a thumbs up for this video, coz your AWESOME!

[bullcleo1]

Yes, the integrand would be sqrt( theta^2 + 1), then we'd have to use trig substitution.

Let theta = tan(x) d(theta) = sec^2(x) dx

[DarrenNormand22]

Would this work if r = theta, and the interval was the same (spiral)?

[jophis66]

thank you sir

[emanuelrgz]

Excellent work, nice technique of integration too!!