For example, you can set the xrange also: plot [-pi: PI] sin (x).

例如，还可以设置xrange：plot [- pi：pi]sin (x)。

youdao

The angle actually goes from minus pi over two to pi over two.

实际上，角度取值范围是从-π/2到π

youdao

pi In the other case I will get negative pi.

另一种情形下，我得到。

youdao

I found Pi Pi in my car.

我在我的车子里发现了皮皮。

youdao

I found Pi Pi in my car.

我在我的车子里发现了皮皮。

youdao