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May 27, 2015

May 27, 2015

Posted by **Aliah** on Wednesday, January 18, 2012 at 8:50pm.

r^2=4sin2(theta)

- MATH -
**Reiny**, Wednesday, January 18, 2012 at 9:21pmconversion formulas

r^2 = x^2 + y^2

sinØ = y/r

cosØ = x/r

r^2 = 4 sin 2Ø

r^2 = 4(2sinØcosØ) = 8sinØcosØ

x^2 + y^2 = 8(y/r)(x/r)

= 8xy/r^2

x^2 + y^2 = 8xy/(x^2 + y^2)

(x^2 + y^2)^2 = 8xy