The height from the center line to the peak (or trough) of a periodic function.

Or we can measure the height from highest to lowest points and divide that by 2.

Try adjusting the amplitude below:

The height from the center line to the peak (or trough) of a periodic function.

Or we can measure the height from highest to lowest points and divide that by 2.

Try adjusting the amplitude below:

../algebra/images/wave-sine.js

See: Periodic Function

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