PAn M. PLANA a5 



^lC/sinp=a'i..V-«^.e'2(^sin/3V^.(-;i)..2^sin(/3'_«'^-.); 

 2^'sinp=- ^^- . a'P.M-^ -^ j .]/V'2Q'sin,S'-^/"e2Qsm(/3'-«'-j-o) j j 



lU'smf=^a'P.M"'— -^, j MelQsm^^— e'2 Q sin (^ +«'-«} j 



vi a; (5) , 



. -4-a'J/ A eV"sra(2n-+-5r')-»-A ey'sLu(2n-+-ttf) j 



"- "-f -"■"=-«'|.o.„'|fl,,.,.l::f"+^.^'"j . 



D 



