anonymous
  • anonymous
Find the rectangular coordinates for the point whose polar coordinates are given. (-2, 11π/2)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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amistre64
  • amistre64
that r is backwards :) so it can trick ya lol
anonymous
  • anonymous
what does that mean?
amistre64
  • amistre64
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

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amistre64
  • amistre64
we gotta spin around by the angle indicated this time and walk "backwards" 2 steps....
anonymous
  • anonymous
what? i'm so confused :P
amistre64
  • amistre64
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
  • amistre64
(walk this far our, rotate this much)
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amistre64
  • amistre64
teh x,y equivalent for this should be (0,2)
anonymous
  • anonymous
can u show me
anonymous
  • anonymous
ok
amistre64
  • amistre64
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
  • anonymous
oh.. ok

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