2 2/ p \ sin (p + a) + sin |-----| \2 + a/
sin(p + a)^2 + sin(p/(2 + a))^2
2 / -I*p I*p \ 2 | ----- -----| / I*(-a - p) I*(a + p)\ | 2 + a 2 + a| \- e + e / \- e + e / - ----------------------------- - -------------------- 4 4
-(-exp(i*(-a - p)) + exp(i*(a + p)))^2/4 - (-exp(-i*p/(2 + a)) + exp(i*p/(2 + a)))^2/4
2/ p \ 2 2 2 2 sin |-----| + cos (a)*sin (p) + cos (p)*sin (a) + 2*cos(a)*cos(p)*sin(a)*sin(p) \2 + a/
sin(p/(2 + a))^2 + cos(a)^2*sin(p)^2 + cos(p)^2*sin(a)^2 + 2*cos(a)*cos(p)*sin(a)*sin(p)
sin(p/(2 + a))^2 + sin(p + a)^2