The plot_trigonometric_function function takes a string argument which will represent the trigonometric function to plot. It creates an array of x values using numpy.linspace, it calculates the ...

To plot a polar curve, you can use the same methods as for plotting polar functions, or you can use a table of values to find the corresponding Cartesian points and plot them on an xy-plane.

Trigonometric functions can have several solutions. Sine, cosine and tangent all have different positive or negative values depending on what quadrant they are in. Part of Maths Trigonometric skills ...