sum += pow(-1., (double)n) * ((pow((2. * angle_rad),(2. * (double)n))) / factori
al);
value = 0.5 * (1 + sum);
this is the equation i wrote out for
cos^2(x)=0.5*(1 +Sum[(-1)^n (2*x)^(2n)/(2n)!])
assuming i set up all the variables correctly, does this seem right?
al);
value = 0.5 * (1 + sum);
this is the equation i wrote out for
cos^2(x)=0.5*(1 +Sum[(-1)^n (2*x)^(2n)/(2n)!])
assuming i set up all the variables correctly, does this seem right?