## aussy123 Group Title How to convert polar to cartesian and cartesian to polar. one year ago one year ago

1. diongory Group Title

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2. diongory Group Title

for polar to cartesian think about writing r in terms of x and y, and theta in terms of x and y

3. aussy123 Group Title

I think what you wrote at the top is polar to cartesian. Because your finding x and y. I really need to know how to find cartesian to polar.

4. diongory Group Title

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5. aussy123 Group Title

I think so Im given something like that with this tan^-1

6. diongory Group Title

i know what the answer is. I'm trying to help you get there yourself. Work out those two equations i drew for you.

7. aussy123 Group Title

$\sqrt{x^2+y^2}=r$

8. diongory Group Title

excellent!

9. aussy123 Group Title

$x+y=r$

10. diongory Group Title

no. not so good.|dw:1366123658835:dw|

11. diongory Group Title

12. diongory Group Title

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13. aussy123 Group Title

oh sorry

14. diongory Group Title

15. aussy123 Group Title

would it be $\frac{ \sqrt{x} }{ \sqrt{y} }$

16. diongory Group Title

how did you get that?

17. aussy123 Group Title

theta = tan^-1 (y/x)

18. diongory Group Title

great. well done. that is it. you have finished.

19. aussy123 Group Title

thank you

20. diongory Group Title

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