Effect of Changing 'a' in aSin(nx) or aCos(nx) (Leaving Cert Mathematics): Flashcards

Amplitude

Maximum vertical displacement from $y = 0$

$|a|$

Vertical stretch, taller wave

Vertical compression, shorter wave

Vertical flip across $x$-axis

Vertical stretch or compression

No, period determined by $n$

$2$

$0.5$

$3$

$n$, not $a$