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Simple Polar Grapher

Use the dropdown menu to select some sample functions, or type your own functions into the input box. The variable must be t. Your graph will be from 0 to n pi. "t", "2", "ln(t)", "abs(t)", "a" "a cos(t)", "a sin(t)", "sqrt(a^2 sin(2 t))", "sqrt(a^2 cos(2 t))", "a + b sin(t)", "a + b cos(t)", "a sin(n t)", "a cos(n t)", "3 + cos(8 t)", "1 + 3 cos(5 t)", "1 + 3 sin(t / 3)", "sqrt(t)", "cbrt(t)", "sin(t) + cos(2t)", "sin(5t)+cos(10t) + 2"}
This applet can be used by teachers in a demonstration mode in the classroom or teachers can have students load it on their own computers with a worksheet to be complete for a grade.