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parametric plots

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Whenever i try to plot a circle using the confines of {t,0,2pi} the system says that the term 2pi is not a machine-sized real number.  I guess I'm wondering How do I use pi
POSTED BY: eli rex
Answer
8 months ago
Buillt-in functions and constants are always capitalized. Additionally there must be a space in between numbers. So instead of using "2pi", please use "2 Pi".
POSTED BY: Sean Clarke
Answer
8 months ago