t=0.1; h=0.01; eps=0.000001; k=100;

A=115.9375006; B=118.7349801; C=121.2134001; Da=5; Db=6; Dc=7;

　

i=dnetn(5,eps,t,h,x,k);

printf("\n");

printf("i=%d\n",i);

printf("\n");

for(i=0;i<=4;i )

printf("x(%d)=%f\n",i,x[i]);

printf("\n");

}

　

void dnetnf(x,y,n)

int n;

double x[],y[];

{ y[0]=A*cos(x[0])-x[3];

y[1]=B*cos(x[1])-x[3];

y[2]=C*cos(x[2])-x[3];

y[3]=tan(x[0])-x[0]-tan(x[1]) x[1]-(Da-Db)/(x[3]*cos(x[4]));

y[4]=tan(x[1])-x[1]-tan(x[2]) x[2]-(Db-Dc)/(x[3]*cos(x[4]));

n=n;

return;

}