..complex number如果z=cis (Θ),证明z+1/z=2cos(Θ)注意下：条件是"cis"( cos(Θ)+i sin(Θ)，不是"cos"

..complex number如果z=cis (Θ),证明z+1/z=2cos(Θ)注意下：条件是cis( cos(Θ)+i sin(Θ)，不是cos 用C++ 写一个完整的Complex number(复数）用户给出2个数程序计算+-*/ 以下是已有的#include using namespace std;class Complex {private:double a,b; // z = a + bipublic:Complex();Complex( const Complex & right );Complex( double aa,d The transfer function of a servomechanism is given by the complex number G=1/(1+jωT).Determine the modulus and argument of G whenω=2.5and T=0.4还有两个问题Factorize x^2-xsinθ+1 in the complex domain ( θ is constant)Find the locus of z in te magnitude of a complex number是什么意思 W=(complex *)malloc(sizeof(complex) * Complex Number的Polar Form谁能帮我解释下polar form的意思...和具体在Complex Number中的用法 the user does not have to remember this number,so the number can be complex 复数(complex number) 判断x^2-2x+6=0 x是否一个复数?为什麼?还有我想问-1是否复数?i是否复数? what is the multiplicative inverse of the complex number 2-i?multiplicative inverse 是什么? 复数Complex Number有哪些应用?用在哪些行业的什么场合? fortran complex,paramerer::c=(0.,1.) complex_add(complex &c2)是啥意思?class Complex ｛public:Complex(){real=0;imag=0;} Complex(double r,double i){real=r;imag=i} Complex complex_add(Complex &c2);void display();private:double real;double imag;｝;Complex Complex::complex_add(Complex 定义类Complex如下：class Complex { public:Complex(double r=0,double i=0):Real(r),Imag(i){}; friend定义类Complex如下：class Complex{public:Complex(double r=0,double i=0):Real(r),Imag(i){};friend Complex operator +(Complex &c1,Complex &c2); 求一道关于复数（complex number)的高数题的详细解答过程设 f(x,y) = xe^x cos y.求 fx 在 (x,y) = (1,0)点的值 Complex z, *zp;这里Complex是结构名.我想问这句话定义的是什么,且z与*zp之间有没有关联? 求救一道数学 虚数题 complex numberZ^4 + 6 = - (Z^2)/iZ的4次方 + 6 = 负的 Z平方除以i答案是要POLAR FORM的就是 re^iф SAT2数学题求救Let z be a complex solution to the equation x2 – 2x + 2 = 0.What does equal?(A) 1 (B) 1.41 (C) 2.45 (D) 3 (E) 3.73是问What does z的模 equal? C语言 number=number