Here is the problem...

Write the polar equation r = cos [theta] + sin [theta] in rectangular form.

Help please!

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- June 6th 2006, 03:37 PMskippydurgeFrom polar form to rectangular form..help!
Here is the problem...

Write the polar equation r = cos [theta] + sin [theta] in rectangular form.

Help please! - June 6th 2006, 06:03 PMmalaygoelQuote:

Originally Posted by**skippydurge**

the parameters in rectangular coordinates are x and y

these are related be

x= r cos(theta)

y = r sin(theta)

x^2 + y^2 =r^2

your equation :r = cos [theta] + sin [theta]

multiply whole equation by r

r^2 = rcos [theta] + rsin [theta]

x^2 + y^2 = x +y - June 6th 2006, 09:26 PMskippydurge
Thank you very much! :)