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yuki

  • 5 years ago

can someone try to solve this parametric eqn. problem?

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  1. Yuki
    • 5 years ago
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    \[x_t = 6(t-\sin(t)), y_t = 6(1-\cos(t))\]

  2. anonymous
    • 5 years ago
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    -y+6=cost arccos(-y+6)=t x=6arccos(-y+6)-6sin(arccos(-y+6))

  3. amistre64
    • 5 years ago
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    whats the problem?

  4. amistre64
    • 5 years ago
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    are you trying to combine them into a funtion of x?

  5. anonymous
    • 5 years ago
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    Thats probably what he wanted.

  6. amistre64
    • 5 years ago
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    probably :)

  7. amistre64
    • 5 years ago
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    i wonder if t-sin(t) is a typo...

  8. Yuki
    • 5 years ago
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    sorry guys, I was a bit busy

  9. Yuki
    • 5 years ago
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    the thing is that t-sin(t) is not a typo and I know how to "eliminate t"

  10. Yuki
    • 5 years ago
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    the problem is that a high school student asked me this question and I doubt that this is the answer that the school wants them to find

  11. Yuki
    • 5 years ago
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    the solution of y is implicit and I find that a little weird

  12. Yuki
    • 5 years ago
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    so I was wondering if anyone could figure out what is really going on

  13. amistre64
    • 5 years ago
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    not without further information about the problem...

  14. amistre64
    • 5 years ago
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    guessing is the best you could hope for..

  15. Yuki
    • 5 years ago
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    okay... well thanks for trying guys. I'll give you medals for that.

  16. anonymous
    • 5 years ago
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    Umm I have the same problem in my course book. What they want you to do is differentiate y and x with respect to t and then divide both the equations so you end up with \[dy/dx\]

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