#include <iostream>

int factorial(int value)
{
	return (value < 2) ? (1) : (value*factorial(value - 1));
}

double Y(double x)
{
	return exp(cos(x)) * cos(sin(x));
}

void S(float from, float to, int n)
{
	int fact = 1;
	int multiplier = 1;
	float sum = 1;
	for (float i = from; i < to ; i += (to - from) / n )
	{
		printf("Y(%f) = %f\t\t", i, Y(i));
		sum += (cos(multiplier * i) / factorial(fact));
		printf("S(%f) = %f\n", i, sum);
	}
}

int main()
{
	S(0.1, 1, 10);
}