Lines Matching full:cos
34 // j1(x) = sqrt(2/(pi*x))*(p1(x)*cos(x1)-q1(x)*sin(x1))
35 // y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x1)+q1(x)*cos(x1))
36 // where x1 = x-3*pi/4. It is better to compute sin(x1),cos(x1)
38 // cos(x1) = cos(x)cos(3pi/4)+sin(x)sin(3pi/4)
39 // = 1/sqrt(2) * (sin(x) - cos(x))
40 // sin(x1) = sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
41 // = -1/sqrt(2) * (sin(x) + cos(x))
43 // sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
65 // y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x1)+q1(x)*cos(x1))
66 // where x1 = x-3*pi/4. It is better to compute sin(x1),cos(x1)
110 z := Cos(x + x)
188 z := Cos(x + x)
195 // y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x0)+q1(x)*cos(x0))
198 // cos(x0) = cos(x)cos(3pi/4)+sin(x)sin(3pi/4)
199 // = 1/sqrt(2) * (sin(x) - cos(x))
200 // sin(x0) = sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
201 // = -1/sqrt(2) * (cos(x) + sin(x))
203 // sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))