#include <iostream>
#include <math.h>
#include <string>
using namespace std;
const double DEG_TO_RAD=0.0174532925;
class trigonometric {
double angle;
double answer_sine;
double answer_cosine;
double answer_tangent;
public:
void trig_calc(double);
void trig_calc(char *);
};
void trigonometric::trig_calc(double degrees)
{
angle=degrees;
answer_sine=sin(angle * DEG_TO_RAD);
answer_cosine=cos(angle * DEG_TO_RAD);
answer_tangent=tan(angle * DEG_TO_RAD);
cout << "\nFor an angle of " << angle << " degrees." << endl;
cout << "The sine is " << answer_sine << endl;
cout << "The cosine is " << answer_cosine << endl;
cout << "The tangent is " << answer_tangent << endl;
}
void trigonometric::trig_calc(char *dat)
{
char *deg,*min,*sec;
deg=strtok(dat,"d ");
min=strtok(0,"m ");
sec=strtok(0,"s");
angle=atof(deg)+((atof(min))/60.0)+((atof(sec))/360.0);
answer_sine=sin(angle * DEG_TO_RAD);
answer_cosine=cos(angle * DEG_TO_RAD);
answer_tangent=tan(angle * DEG_TO_RAD);
cout << "\nFor an angle of " << angle << " degrees." << endl;
cout << "The sine is " << answer_sine << endl;
cout << "The cosine is " << answer_cosine << endl;
cout << "The tangent is " << answer_tangent << endl;
}
main()
{
trigonometric data;
data.trig_calc(75.0);
char str1[] = "35d 75m 20s";
data.trig_calc(str1);
data.trig_calc(145.72);
char str2[] = "65d 45m 30s";
data.trig_calc(str2);
return (0);
}
|