I am trying to help grand daughter express this is rectangular form:

thetha = pi/3

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- Apr 24th 2013, 07:41 PMdgablePolar to rectangular
I am trying to help grand daughter express this is rectangular form:

thetha = pi/3 - Apr 24th 2013, 07:46 PMProve ItRe: Polar to rectangular
If then you have a ray starting at the origin extending out infinitely long making this angle with the positive x-axis.

The Cartesian (rectangular) form for the equation of a line is where m is the gradient and c is the y intercept. c is clearly 0. As for m, it can be calculated using .

So the rectangular form of this equation is where . - Apr 24th 2013, 07:58 PMdgableRe: Polar to rectangular
Thank you for your help.

- Apr 24th 2013, 09:20 PMSorobanRe: Polar to rectangular
Hello, dgable!

Quote:

There are a few identities for converting polar to rectangular:

. .

Therefore: . . . . .