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- Ian McKnight
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- 16 April 2009

Graphing Trig Functions v 2.1

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Graphing Trig Functions v 2.1

Ian McKnight

July 2007, 2009

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Display and compare the graphs of Sine, Cosine and Tangent

over the ranges: angle 0 to 360 degrees & amplitude +/- 1.5

Equation is of the form f(x) = A* XXX (Bx + C) + D

where XXX is the trigonometric function Sin, Cos or Tan

Parameters A,B,C & D can be changed in steps of 0.1 for

A,B & D; 10 for C using the arrows beside each

corresponding field, in which case the graph is changed

dynamically. Specific parameters can also be entered

directly into the corresponding field. in this case

the new values will be used as they are entered by

pressing RETURN or ENTER, or if return and enter are not

used, by clicking the 'Plot it' button.

The tick box beside Sine & Cosine is to allow these two

graphs to be displayed together. Note that the parameter

values are only applied to the trig function that has

been selected by the radio button.

Reset effectively returns the display to f(x) = XXX(x)

where XXX is the trig function Sin, Cos or Tan

Btn graphics produced using Altuit's Button Gadget 2

-----------------------------------------------------------

Graphing Trig Functions v 2.1

Ian McKnight

July 2007, 2009

-----------------------------------------------------------

-----------------------------------------------------------

Display and compare the graphs of Sine, Cosine and Tangent

over the ranges: angle 0 to 360 degrees & amplitude +/- 1.5

Equation is of the form f(x) = A* XXX (Bx + C) + D

where XXX is the trigonometric function Sin, Cos or Tan

Parameters A,B,C & D can be changed in steps of 0.1 for

A,B & D; 10 for C using the arrows beside each

corresponding field, in which case the graph is changed

dynamically. Specific parameters can also be entered

directly into the corresponding field. in this case

the new values will be used as they are entered by

pressing RETURN or ENTER, or if return and enter are not

used, by clicking the 'Plot it' button.

The tick box beside Sine & Cosine is to allow these two

graphs to be displayed together. Note that the parameter

values are only applied to the trig function that has

been selected by the radio button.

Reset effectively returns the display to f(x) = XXX(x)

where XXX is the trig function Sin, Cos or Tan

Btn graphics produced using Altuit's Button Gadget 2

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