Recent content by nothingness00

Cool, thanks; Using the hint: I get ## \int_{0}^1 \sqrt{1-cos(r)}\,dr ## Multiplying by a factor of sin(r)/sin(r), I get, ## \int_{0}^1 \frac{sin(r)}{\sqrt{1+cos(r)}}\,dr ##. I use a substitution of ## u = 1 + cos(r) ## with ## \,du = -sin(r)\,dr ##. I substitute the limits...

Homework Statement Change the order of the limits of integration of the following double integral and evaluate. Homework Equations \int_{0}^\frac{\pi}{2} \int_{0}^{cos(\theta)} cos(\theta)\,dr\,d\theta The Attempt at a Solution Evaluating as it is, I arrive an answer of...