Transforming into a Harmonic Oscillator in GeoGebra
You can use GeoGebra to transform a trigonometric expression into a harmonic oscillation.
GeoGebra Instruction 1
- 1.
- Open
CASunder
Viewin
Menu. - 2.
- In an empty row in
CAS, typeTrigCombine(<Expression>, <Target Function>)
where
-
<Expression>is the expression for the trigonometric function that you want to transform, and -
<Target Function>issin(x).
Click
Solve
if you want an exact representation, or Solve Numerically
if you want a numeric one. -
Example 1
Transform
into a harmonic oscillation.
Type
TrigCombine(sin(2x)-4*cos(2x),sin(x))
and click Solve Numerically , giving the answer
