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November 01, 2025, 03:18:09 pm
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Author Topic: Polar Coordinates Question  (Read 608 times)  Share 

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wildareal

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Polar Coordinates Question
« on: October 16, 2010, 02:36:24 pm »
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The polar equation of the circle with centre [3,TT/2] and radius 3? Thanks. The answer is r=6sin(theta). How do you get to it?
Thanks.
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Wildareal '11

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wildareal

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Re: Polar Coordinates Question
« Reply #1 on: October 16, 2010, 03:45:02 pm »
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Do you go from:

x^2+(y-3)^2=9 and then sub in rcos(theta) and rsin(theta) ?
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Wildareal '11

Year 11:
Methods 3/4

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TrueTears

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Re: Polar Coordinates Question
« Reply #2 on: October 16, 2010, 03:53:46 pm »
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yeah let x = rcos(theta) and y be the other one
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