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ÝßÑÊ ßËíÑÇ Úä ßíÝíÉ ÊÖãíä ÇáÏæÇá ÇáãËáíå ãËá sin , cos and tan æ ÇíÖÇ ÏÇáÉ ÇáÌÐÑ ÇáÊÑÈíÚì æ ÇáÃÓÓ ÏÇÎá ÇáÜ c++

ÈÇáäÓÈå ááÏæÇá ÇáãËáËíå æ ÎÕæÕÇ ÇáÏÇáå sine
ÈÍËÊ Úáì ÇáÅäÊÑäÊ ÝæÌÏÊ ãä íÞæá Çäå ÈÅÓÊÎÏÇã ÇáÜÜ lookup table Çæ ÈÅÓÊÎÏÇã for-loop

æ ãä ÇáÃßæÇÏ ÇáÊì æÌÏÊåÇ ááÏÇáå sin ÇáÊÇáì

double mysin1(double x)
{
double numerator = x;
double denominator = 1.0;
double sign = 1.0;
double sin = 0;

 // terms below define the number of terms you want
 int terms=10;

 for ( int i = 1; i <= terms; i++ )
 {
  sin += numerator / denominator * sign;
  numerator *= x * x;
  denominator *= i*2 * (i*2+1);
  sign *= -1;
 }
return sin;
}

sin (theta) = (PI / 2) - theta
cos(theta) = (PI / 2) - theta

const double PI = 3.14159265358979323846;

double mycos1(double x)
{
        double numerator = 1.0;
        double denominator = 1.0;
        double sign = 1.0;
        double cos = 0;

        // terms below define the number of terms you want
        int terms = 10;
        
        for ( int i = 1; i <= terms; i++ )
        {
                cos += numerator / denominator * sign;
                sign *= -1;
                numerator *= x * x;
                denominator *= (i*2-1) * i*2;
        }
        
        return cos;
}

double mysin2(double x)
{
        return mycos1((PI/2) - x);
}

double mycos2(double x)
{
        return mysin1((PI/2) - x);
}

double Power(int pwr,double number)
{
        double sum=1;

        for(int i=1; i<=pwr; i++)
                sum *= number;
}