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Convertong polar equations to rectangular eq.

  1. Apr 13, 2007 #1
    1. The problem statement, all variables and given/known data
    (theta)= 45Degrees


    2. Relevant equations
    (theta)= Arctan(y/x) (x>0)
    (theta)= Arctan(y/x) (x<0)


    3. The attempt at a solution

    Tan(45)=y/x
    1 = y/x
    Does that mean Y = X?
    :confused:
     
  2. jcsd
  3. Apr 13, 2007 #2

    HallsofIvy

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    Yes, it does! If you are not convinced, draw an xy- coordinate system, mark the line at 45 degrees to the positive x-axis and draw the line y= x!
     
  4. Apr 13, 2007 #3

    arildno

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    What angle to the positive x-axis does the line y=x make?
     
  5. Apr 13, 2007 #4
    oh 45 degrees.

    thanks
     
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