Friday

October 31, 2014

October 31, 2014

Posted by **G** on Friday, November 9, 2012 at 3:09pm.

- Precalculus -
**Reiny**, Friday, November 9, 2012 at 3:47pmwe know that x^2 + y^2 = r^2

so y^2 = r^2 - x^2

also sinØ = x/r

x = rsinØ

x^2 = r^2 sin^2 Ø

so y^2 + 8x = 0

r^2 - x^2 + 8x = 0

r^2 - r^2 sin^2 Ø + 8r sinØ = 0

**Answer this Question**

**Related Questions**

PreCalculus - Write the equation 5x – 4y = –7 in polar form.

Pre-calculus; urgent ! Please help ! - 1.Graph the polar equation r=3-2sin(theta...

Precalculus - Write the rectangular equation (x+7)^+y^=49 in polar form.

Calculus please help ! - 1.Graph the polar equation r=3-2sin(theta) 2. Find the ...

Math ! Please Help ! - 1.Graph the polar equation r=3-2sin(theta) 2. Find the ...

Pre-calculus HELP PLASE ! - 1.Write the rectangular equation in polar form. (x...

Math HELP PLEASE! QUICK! - 1.Write the rectangular equation in polar form. (x – ...

precalculus - convert the equation y^2 = 2x -x^2 into polar form. convert the ...

precalculus - 5x+3y=8 convert each rectangular equation to polar form Convert ...

PRECALCULUS - 1.) determine two pairs of polar coordinates for the point (-...