Graph Polar Equation...4

Discussion in 'Geometry and Trigonometry' started by nycmathguy, Mar 20, 2022.

  1. nycmathguy

    nycmathguy

    Joined:
    Jun 27, 2021
    Messages:
    5,386
    Likes Received:
    422
    Can you show me how to graph polar equations by hand on the xy-plane?

    Work out 26.

    View attachment 2272
     
    nycmathguy, Mar 20, 2022
    #1
  2. nycmathguy

    MathLover1

    Joined:
    Jun 27, 2021
    Messages:
    2,989
    Likes Received:
    2,884
    26.

    r=2cos(5θ) (five -leafed rose)

    find several points (θ,r)

    table:
    θ |r
    0|2
    pi/2|0
    -pi/2|0
    pi|-2
    -pi|-2
    3pi/2|0
    -3pi/2|0
    2p|2
    -2p|2

    plot points and draw a rose

    upload_2022-3-19_21-43-36.png
     
    MathLover1, Mar 20, 2022
    #2
    nycmathguy likes this.
  3. nycmathguy

    nycmathguy

    Joined:
    Jun 27, 2021
    Messages:
    5,386
    Likes Received:
    422
    I don't think it's so important learning how to graph polar equations by hand with so many free graphing calculators online. There are more important topics in mathematics to spend time on. Do you agree? In my particular case, I am not a classroom student. However, I will try to graph at least two of the posted 5 polar equations by hand later on today.
     
    nycmathguy, Mar 20, 2022
    #3
  4. nycmathguy

    nycmathguy

    Joined:
    Jun 27, 2021
    Messages:
    5,386
    Likes Received:
    422
    How about this one?

    Graph Polar Equation...2
     
    nycmathguy, Mar 20, 2022
    #4
  5. nycmathguy

    nycmathguy

    Joined:
    Jun 27, 2021
    Messages:
    5,386
    Likes Received:
    422
    nycmathguy, Mar 21, 2022
    #5
Ask a Question

Want to reply to this thread or ask your own question?

You'll need to choose a username for the site, which only take a couple of moments (here). After that, you can post your question and our members will help you out.
Similar Threads

  1. Graph Polar Equation...1

  2. Graph Polar Equation...2

  3. Graph Polar Equation...3

  4. Graph Polar Equation...5

  5. Graph Polar Equation...6

  6. Graph Polar Equation...7

  7. Graph Polar Equation...8

  8. Graph Polar Equation...9

Loading...