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**Rasmushdahl****Member**- Registered: 2009-12-10
- Posts: 3

Hi everyone

Determine the area between the x-axis and the circumference of an archimedean spiral with the parametric equation cos(t)*t,sin(t)*t for t in the interval ]0;Pi]. Please use the hidden button and show your metods. My solution is very troublesome, so you can probably find some easier methods.

I hope you'll enjoy.

Rasmus

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**gAr****Member**- Registered: 2011-01-09
- Posts: 3,479

Hi,

Convert to polar co-ordinates.

"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?

"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."

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