Syntactically, this is equivalent to plot sin (x), cos (x).

依照语法，该命令等同于plot sin (x)，cos (x)。

youdao

Try typing in replot cos (x).

尝试输入replot cos (x)。

youdao

The simple plot command would be plot sin (x), cos (x); the lines being graphed are separated by commas.

简单的plot命令为plot sin (x)，cos (x)；要画的曲线以逗号分隔。

youdao

For example, this is x=t, x=t^, you're going to have x=sin t and cos t and log t.

例如,这是x=t,x=t^,你还会遇到正弦,余弦,对数函数

耶鲁公开课 - 基础物理课程节选

Once you do that, I think it's fairly clear that it has got a y component that's given by cosine the x component is negative.

用了这个结论,我想很明显,y 分量由 cos φ 给出,它的 x 分量是负的

耶鲁公开课 - 基础物理课程节选