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I try to make a plot out of two functions. It is a cycloid I want to plot. These are my two functions:

posPv[t_] = radius*(1 - Cos[2 π*t])
posPh[t_] = radius*(2 π*t - Sin[2 π*t])

Does anybody know how to do this. I couldn't find anything about it in the documentation.

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closed as off-topic by m_goldberg, rcollyer, 2012rcampion, bbgodfrey, Dr. belisarius Apr 24 '15 at 17:40

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question arises due to a simple mistake such as a trivial syntax error, incorrect capitalization, spelling mistake, or other typographical error and is unlikely to help any future visitors, or else it is easily found in the documentation." – m_goldberg, rcollyer, 2012rcampion, bbgodfrey, Dr. belisarius
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ParameticPlot is what you are looking for.

With[{r = 1}, 
  ParametricPlot[r {2 π t - Sin[2 π t], 1 - Cos[2 π t]}, {t, 0, 2}]]

plot

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