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Curves: trig: the tangent curve
Choose values for a and b and observe the values of

y = atan(bx)

a = b =
x 0 30 60 90 120 150 180 210 240 270 300 330 360
tan(bx)
atan(bx)

Here is a plot of some points from a tangent equation.

a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4
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