Graph the curve line

r(t) = <(27/26)*sin(8t) - (8/39)sin(18t), (-27/26)*cos(8t) + (8/39)*cos(18t), (144/65)*sin(5t)>

[the cyclist]

If you need a more detailed answer than what I gave, please add significantly more detail to your question.

You can't expect volunteers to spend much time thinking about an answer, if you are not willing to spend time writing out a thoughtful question.

Answer 1

[the cyclist]

Use the plot3 command.