> 数学 >
已知z=cos(-π/6)+isin(-π/6),则argz^3
人气:305 ℃ 时间:2020-08-12 14:59:11
解答
z=cos(-π/6)+isin(-π/6)
z^3=cos(-π/2)+isin(-π/2)
=cos(3π/2)+isin(3π/2)
所以 argz^3=3π/2
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版