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复数的三角形式与代数形式有何联系

2025-02-12 05:06:56

推荐回答（1个）

回答1：

一个复数，它在复平面上表示的点，到原点的距离，是，三角形式的模。
连接点与原点的直线，与实数轴的夹角，叫做幅角。
把这个复数的实部虚部画出来，就构成了直角三角形。
我们就很容易利用三角函数把它表示出来了。
自己可以牢记，转换公式。

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