cOS X cOS ∫cos√)x+cox+√m) sin( sin( 2-√m n SIn( 22+ siny2,lcos√nl-cos√λ iI sin√nl,sin√2lcos√nl+cos√λ il sin a, sin a, I cos cosa, sin v am/ √si2 sin ascot√ λ.cot Sin V: m ,sn√ √ n V/hsin√ x sin am x-√m√hsi xSin VAmx=00 0 0 0 1 cos cos [cos( ) cos( ) ] 2 1 sin( ) sin( ) { } 2 1 sin( ) sin( ) [ ] 2 1 sin cos cos sin sin cos cos sin [ ] 2 s l l n m n m n m n m n m l l n m n m n m n m n m n m n m n m n m n m n m n m n x xdx x x dx x x l l l l l l l l l l                                    = − + + − + = + − + − + = + − + − + = + − + =   in cos cos sin sin sin cot cot sin sin sin sin sin sin 0 n m m n m n n m m m n n m n m n m nm n n m l l l l l l l l l l h x x h x x                      − = − = − =