Animation 190
[color=#0000ff][b]What fact[/b][/color] is dynamically being illustrated in the applet below?
The [color=#444444][b]parent cosine function[/b][/color] is a periodic function. [b][color=#0000ff]Its period = 2*pi. [/color][/b]
關閉
檢查答案
重新作答
資訊: Animation 190