复数的三角与指数表示 — 数学选择题
题目
将复数 z = 1 + i 写成三角形式与指数形式,正确的一组是( )
A. z = √2(cos π/4 + i·sin π/4) = √2·e^(iπ/4)
B. z = 2(cos π/4 + i·sin π/4) = 2·e^(iπ/4)
C. z = √2(cos π/3 + i·sin π/3) = √2·e^(iπ/3)
D. z = √2(cos 3π/4 + i·sin 3π/4) = √2·e^(i3π/4)