Results 1 to 2 of 2

Math Help - polar coordinate conversion.

  1. #1
    Senior Member
    Joined
    Jan 2007
    Posts
    477

    polar coordinate conversion.

    find polar coordinates of the points whose cartesian coordinates are given.

    heres the point: (3sqrt(3), 3)

    well i know that r^2 = (sqrt(a^2 + b^2))
    so the answer here is : 6

    and if we use tan(theta) = o/a = 3/(3sqrt(3)
    so the answer here is: 1/sqrt(3)

    so theta is pi/6

    so how do i know its pi/6?
    how do i convert to get this answer with pi? radians?

    help please.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Super Member

    Joined
    May 2006
    From
    Lexington, MA (USA)
    Posts
    11,711
    Thanks
    631
    Hello, rcmango!

    Find polar coordinates of the point . . _
    whose cartesian coordinates are: .(3√3, 3)

    Well, I know that: rČ = sqrt(aČ + bČ)
    . . so: r = 6
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ._
    and if we use: .tanθ .= .opp/adj /= .3/(3√3)
    . . so: .tanθ = 1/√3

    Then: .θ = π/6

    So how do i know its π/6? . The point is in Quadrant I

    How do i convert to get this answer with pi? radians?
    I don't understand your question . . . the answer is in π.

    Polar coordinates are: .(r, θ) .= .(6, π/6)

    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 5
    Last Post: August 10th 2010, 11:15 PM
  2. Arc coordinate conversion
    Posted in the Geometry Forum
    Replies: 11
    Last Post: February 12th 2010, 08:07 AM
  3. Cartesian to polar of conversion
    Posted in the Trigonometry Forum
    Replies: 5
    Last Post: February 9th 2010, 07:19 AM
  4. Integral Coordinate Conversion
    Posted in the Calculus Forum
    Replies: 1
    Last Post: May 13th 2008, 06:13 PM
  5. polar conversion
    Posted in the Calculus Forum
    Replies: 1
    Last Post: October 23rd 2007, 11:25 AM

Search Tags


/mathhelpforum @mathhelpforum