Find the rectangular coordinates for the point whose polar coordinates are given.
(-2, 11π/2)

Question

amistre64 · Answer

that r is backwards :)  so it can trick ya lol

anonymous · Answer

what does that mean?

amistre64 · Answer

we gotta figure out where we end up..thats all :)

normally, when the "r" is a positive number, we spin around by the angle and walk forward by "r" steps

amistre64 · Answer

we gotta spin around by the angle indicated this time and walk "backwards" 2 steps....

anonymous · Answer

what? i'm so confused :P

amistre64 · Answer

polar coordinates give us two bits of information; how far to rotate(11pi/2) and how far to move(-2); where we end up is how we figure the (x,y) point for rectangular coordinates

amistre64 · Answer

(walk this far our, rotate this much)

amistre64 · Answer

teh x,y equivalent for this should be (0,2)

anonymous · Answer

can u show me

anonymous · Answer

ok

amistre64 · Answer

11pi/2 rotates us till we are pointing due south...straight down.

then we back up 2 steps..... 

we simply end up at (0,2)

anonymous · Answer

oh.. ok