用c语言编程以下题目 输入三角形的两条边a,b的长度和夹角alpha,输出其第...答:include<stdio.h> include<math.h> main(){ float a,b,c,alpha;printf("Please input a,b,alpha");scanf("%f%f%f",&a,&b,&alpha);c=sqrt(a*a+b*b-2*a*b*cos(alpha*3.14159/180));printf("\nThe value a=%f",a);getch();} ...
C语言编程答:int c[] = {1,2,3,4,5,6,7,8,9,10,11};则数组c的大小为11,因为它有11个元素。以下是代码:include <stdio.h> int main(){ /*数组a用来存储输入,max和min存储最大最小值,dif存储差*/ int a[5], i, max, min, dif;/*sum存储和,avg存储平均值*/ double sum = 0, avg;...