User Portlet
| Discussions |
|---|
| f1[\[CurlyPhi]_Rational, s_Rational, \[Theta]_Rational, a_Rational] = ( Sqrt[s]*(a - s))/((a - s)^2 + a^2 - 2*a*(a - s)*Cos[\[CurlyPhi] - \[Theta]]) ![enter image description here][1] NIntegrate[ f1[\[CurlyPhi],... |