yuki
  • yuki
can someone try to solve this parametric eqn. problem?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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yuki
  • yuki
\[x_t = 6(t-\sin(t)), y_t = 6(1-\cos(t))\]
anonymous
  • anonymous
-y+6=cost arccos(-y+6)=t x=6arccos(-y+6)-6sin(arccos(-y+6))
amistre64
  • amistre64
whats the problem?

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amistre64
  • amistre64
are you trying to combine them into a funtion of x?
anonymous
  • anonymous
Thats probably what he wanted.
amistre64
  • amistre64
probably :)
amistre64
  • amistre64
i wonder if t-sin(t) is a typo...
yuki
  • yuki
sorry guys, I was a bit busy
yuki
  • yuki
the thing is that t-sin(t) is not a typo and I know how to "eliminate t"
yuki
  • yuki
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
yuki
  • yuki
the solution of y is implicit and I find that a little weird
yuki
  • yuki
so I was wondering if anyone could figure out what is really going on
amistre64
  • amistre64
not without further information about the problem...
amistre64
  • amistre64
guessing is the best you could hope for..
yuki
  • yuki
okay... well thanks for trying guys. I'll give you medals for that.
anonymous
  • anonymous
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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