基础的函数

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#include<stdio.h> #include<math.h> int main() {     double x, y, a, b, c, d, e;     printf("请分别输入x，Y的值:");     scanf_s("%lf%lf", &x, &y);     a = sin(x);     b = cos(x);     c = fabs(x);     d = pow(e,x);     e = pow(x,y);     printf("%lf\n%lf\n%1f\n%lf\n%lf\n", a, b, c, d,e); }