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[pirsquared]

@Alain_Mangan

I tried using t with the following statement:

y=cos(6.28*t)

…but Desmos assumes “ t ” means “ x ”, and draws a sin-wave going from -inf to inf.

You can use (t, cos(6.28t)) for this; I think Desmos largely expects an ordered pair.

Where is the documentation for this “localized parameter” anyhow?

Some useful info here:

Parametric Equations