好的，我正在创建一个程序，在单个表中输出余弦，sin和其他触发值，以0为增量，以15为增量。作为赋值的一部分，我们需要显示系统余弦和系统正弦使用C ++中给定的sin和cos命令，以及使用泰勒系列计算的正弦和余弦值。当我使用泰勒系列计算正弦和余弦值时，我的程序出错了。我评论了一些代码，希望能让它更容易查看。任何和所有建议将不胜感激。此外，我将发布程序的示例输出。
Angle Sys Cos Cosine Sys Sin Sine Tangent Cotangent Secant Cosecant
0 1.0000 1.0000 0.0000 0.0000 0.0000 inf
15 0.9659 0.0341 0.2588 -0.9659 -0.9659 -inf
30 0.8660 0.1340 0.5000 -0.8660 -0.8660 -inf
45 0.7071 0.2929 0.7071 -0.7071 -0.7071 -inf
60 0.5000 0.5000 0.8660 -0.5000 -0.5000 -inf
75 0.2588 0.7412 0.9659 -0.2588 -0.2588 -inf
90 0.0000 1.0000 1.0000 0.0000 0.0000 -inf
105 -0.2588 1.2588 0.9659 0.2588 0.2588 -inf
120 -0.5000 1.5000 0.8660 0.5000 0.5000 -inf
135 -0.7071 1.7071 0.7071 0.7071 0.7071 -inf
150 -0.8660 1.8660 0.5000 0.8660 0.8660 -inf
165 -0.9659 1.9659 0.2588 0.9659 0.9659 -inf
180 -1.0000 2.0000 0.0000 1.0000 1.0000 -inf
195 -0.9659 1.9659 -0.2588 0.9659 0.9659 -inf
210 -0.8660 1.8660 -0.5000 0.8660 0.8660 -inf
225 -0.7071 1.7071 -0.7071 0.7071 0.7071 -inf
240 -0.5000 1.5000 -0.8660 0.5000 0.5000 -inf
255 -0.2588 1.2588 -0.9659 0.2588 0.2588 -inf
270 -0.0000 1.0000 -1.0000 -0.0000 -0.0000 -inf
285 0.2588 0.7412 -0.9659 -0.2588 -0.2588 -inf
300 0.5000 0.5000 -0.8660 -0.5000 -0.5000 -inf
315 0.7071 0.2929 -0.7071 -0.7071 -0.7071 -inf
330 0.8660 0.1340 -0.5000 -0.8660 -0.8660 -inf
345 0.9659 0.0341 -0.2588 -0.9659 -0.9659 -inf
360 1.0000 -0.0000 -0.0000 -1.0000 -1.0000 0.9501
Process returned 0 (0x0) execution time : 0.044 s
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源代码：
#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
// Function Prototypes..
// These are the only function you need to write
// See Sample functions below main()
double Factorial(double); // For loop version
double Sine(double); // Taylor Series Sine
double Cosine(double); // Taylor Series Cosine
double Tangent(double); // Tangent(x) = Sine(x)/Cosine(x)
double Cotangent(double); // Cotangent(x) = Cosine(x)/Sine(x)
double Secant(double); // Secant(x) = 1.0/Cosine(x)
double Cosecant(double); // Cosecant(x) = 1.0/Sine(x)
void PrintTrigTable(void); // Print Trignometric Table
// This main function is complete
int main()
{
PrintTrigTable();
return 0;
}
// PrintTrigTable - write this function
void PrintTrigTable()
{
cout << fixed<<setw(6)<<"Angle";
cout <<fixed << setw(9) << "Sys Cos" << setw(9) << "Cosine" << setw(9) << "Sys Sin" << setw(8) << "Sine";
cout << fixed << setw(9) << "Tangent" << setw(12) << "Cotangent" << setw(9) << "Secant" << setw(9) << "Cosecant" <<endl;
for (double x = 0.0; x <= 360.0; x += 15.0)
{
cout << fixed << setw (6) << setprecision(0) << x;
cout << fixed << setw (9) << setprecision(4)<< cos(x*3.1415926/180);
cout << fixed << setw (9) << setprecision(4)<< Cosine(x);
cout << fixed << setw (9) << setprecision(4)<< sin(x*3.1415926/180);
cout << fixed << setw (9) << setprecision(4)<< Sine(x);
cout << fixed << setw (9) << setprecision(4)<< Tangent(x);
cout << fixed << setw (9) << setprecision(4)<< Cotangent(x) <<endl;
//cout << fixed << setw (9) << setprecision(4)<< Secant(x)<<endl;
//cout << fixed << setw (9) << setprecision(4)<< Cosecant(x) <<endl;
}
}
// Factorial - write this function
double Factorail(double angle)
{
double fact = 1;
for (double i =1; i <= angle; i++)
fact *=i;
return(fact);
}
// Sine - write this function
double Sine(double angle)
{
double PI = 3.1415926;
double mysin= 0, mysin2= 9999;
double anglerad = angle*PI/180.0;
double c =1., counter, fact;
while (abs(mysin2-mysin)> .0001)
{
mysin2= mysin;
fact = 1;
for ( double k =1; k <= counter; k++)
fact *=k;
mysin= mysin + pow(-1,c)*(pow(anglerad,counter)/fact);
c = c+1;
counter = counter +2;
}
return(mysin);
}
double Cosine(double angle)
{
double PI = 3.1415926;
double mycos= 1, mycos2= 9999;
double anglerad = angle*PI/180.0;
double c =1, counter, fact;
while (abs(mycos2-mycos)> .0001)
{
mycos2= mycos;
fact = 1;
for ( double k =1; k <= counter; k++)
fact *=k;
mycos= mycos + pow(-1,c)*(pow(anglerad,counter)/fact);
c = c+1;
counter = counter +2;
}
return(mycos);
}
// Tangent - Tangent(x) = Sine(x)/Cosine(x)
double Tangent(double angle)
{
double inf = (Sine(angle)/Cosine(angle));
if (inf > 100)
{
inf =1.0/0.0;
}
else if (inf < -100)
{
inf = -1.0/0.0;
}
return inf;
}
// Cotangent - write this function -
double Cotangent(double angle)
{
double inf = (Cosine(angle)/Sine( angle));
if (inf > 100)
{
inf =1.0/0.0;
}
else if (inf < -100)
{
inf = -1.0/0.0;
}
return inf;
}
// Secant - Secant(x) = 1.0/Cosine(x)
double Secant(double angle)
{
double inf = (1.0/Cosine(angle));
if (inf > 100)
{
inf =1.0/0.0;
}
else if (inf < -100)
{
inf = -1.0/0.0;
}
return inf;
}
// Cosecant - write this function
double Cosecant(double angle)
{
double inf = (1.0/Sine(angle));
if (inf > 100)
{
inf =1.0/0.0;
}
else if (inf < -100)
{
inf = -1.0/0.0;
}
return inf;
}