Interactive trigonometry lab
See what each transformation does.
Adjust the equation one parameter at a time. The graph, its key features, and the explanation all update together.
y = sin(x)
Blue points move the graph. Gold max/min points change A.
Amplitude1Distance from the midline to a peak.
Period2πHorizontal length of one complete cycle.
Phase shift0No shift
Midliney = 0The graph oscillates around this line.
Try a pattern
Use a preset, then change one slider and predict what will happen.