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Lukecrayonz

  • 3 years ago

@dpaInc hi!

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  1. Lukecrayonz
    • 3 years ago
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    We just did this, but the assignment got reset for some reason, so we are going to have to do the same type of problems again, wanna help again?

  2. dpaInc
    • 3 years ago
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    Luke... I am your father...

  3. dpaInc
    • 3 years ago
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    fire away...

  4. Lukecrayonz
    • 3 years ago
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    @dpaInc Name the polar symmetry of the graph with the polar equation r=2+2costheta

  5. dpaInc
    • 3 years ago
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    we gotta test for symmetry... about polar axis... change the theta to -theta...

  6. dpaInc
    • 3 years ago
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    about the origin... change the r to -r

  7. Lukecrayonz
    • 3 years ago
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    So when you change it and nothing happens, that means..

  8. dpaInc
    • 3 years ago
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    it's symmetrical if the equation is the same...

  9. dpaInc
    • 3 years ago
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    i forgot... 1 more

  10. dpaInc
    • 3 years ago
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    about the vertical line theta = pi/2, change theta to pi-theta

  11. Lukecrayonz
    • 3 years ago
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    Pi/theta? Or pi minus theta?

  12. dpaInc
    • 3 years ago
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    for the last one, change theta to pi-theta this checks for symmetry about the vetical line through the pole.

  13. dpaInc
    • 3 years ago
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    cosine is even so cos(theta) = cos(-theta)

  14. dpaInc
    • 3 years ago
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    HINT^^

  15. dpaInc
    • 3 years ago
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    got an answer?

  16. Lukecrayonz
    • 3 years ago
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    Yes :D

  17. dpaInc
    • 3 years ago
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    it's symmetric about the.....

  18. Lukecrayonz
    • 3 years ago
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    Polar axis: Symmetrical Origin: Not symmetrical Vertical line through the pole: Not symmetrical

  19. dpaInc
    • 3 years ago
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    very good my son....

  20. dpaInc
    • 3 years ago
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    go now and teach the ways of the force to others....

  21. Lukecrayonz
    • 3 years ago
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    More questions though.

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