x^2 + y^2 = 9 Can I just say that r^2 = 9, r = 3. Is this the polar equation? Seems a bit easy. Cheers.
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Originally Posted by Sprintz x^2 + y^2 = 9 Can I just say that r^2 = 9, r = 3. Is this the polar equation? Seems a bit easy. Cheers. Yes, it's that easy.
Ah, thanks. How about this one: x + y = 9. Should I state (t = theta): rcost + rsint = 9 r = 9/(cost + sint) Or is there a better way to express this? Thanks.
Originally Posted by Sprintz Ah, thanks. How about this one: x + y = 9. Should I state (t = theta): rcost + rsint = 9 r = 9/(cost + sint) Or is there a better way to express this? Thanks. That's the answer.
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