//declaring functions double cos_N (double x, int N) double cos_delta(double x,

Question

//declaring functions

double cos_N (double x, int N)

double cos_delta(double x, double delta )

int factorial (int n )

double power ( double x, int n)

# define PI 3.14

//NO MATH LIBRARY!!1

// PLEASE CORRECT ANY ERRORS, OR ANYTHING THAT LOOKS WRONG

//USE FOPEN, FLCOSE, FSCANF, FPRINTF...f/o..file input/output

cos_N (double x, int N) //N terms

{ if ( x> 0) N += x ;

return N ;

}

//end of function

cos_delta(double x, double delta )

//?? ??

{

}

factorial (int n)

{

int Factorial = 1 ;

for ( n = 0 ; n < =12 ; n = n + 2 )

{

Factorial * = n ;

}

return Factorial ;

//end of function

power ( double x, int n)

{

x =1 ;

for ( n = 1 ; n > 0 ; n = n + 2 )

{ x *= ( -n) ; }

return x ;

}

int main ()

Explanation / Answer

#define PI 3.14

double cos_N (double x, int N);
double cos_delta(double x, double delta );
int factorial (int n );
double power ( double x, int n);

double cos_N (double x, int N)
{
int i;
double sum=0;
if ( x> 0)
{
for(i=1;i<=N;i++)
{
sum=sum+i;
}
}
return sum ;
}

cos_delta(double x, double delta )
{

}


int factorial (int n)
{
int Factorial = 1 ;
int i;
for ( i = i ; i < =n ; i++ )
{
Factorial * = i ;
}
return Factorial ;
}

double power ( double x, int n)
{
int i;
double p=1;
if(x>0)
{
for ( i = 1 ; i<=n ; i++)
{
p=p*x;
}
}
else if(x<0)
{
for ( i = 1 ; i<=n ; i++)
{
p=p*(-x);
}
}

return p ;
}

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