#include <stdio.h> #include <stdlib.h> #include <math.h> int main(void){ printf("%lf\n",sqrt(fabs(log(0.5)))); printf("%lf\n",sin(M_PI/6)); printf("%lf\n",atan(pow(13,2))); printf("%lf\n",pow(exp(-1),4) ); printf("%lf\n",log(-3) ); printf("%lf\n",pow(sqrt(2),2)); return EXIT_SUCCESS; }