1、19 93 M9 ( )c31c(198 6 M S 5):n.ne ZRS in C=Zs in C . , lB * in em)B1mB+ E 3a O CF+ ac + abgFBab EF+ ac= (a) 2 + ( ) 2 + ( /) 2r Y E +a F = V (j E/ E O)B +j+ : .O| |,5b b bB1 , V?,(C )cBa8E1 !a , , B =, q p + q=1 i L ,5A T*inoa + inp iJ, ,.q1980 M g 5)s:1 T5 in Z( , + as in Z r7s;1 2y ,1 s in Zo+ ,
2、s sn Z 2,5 1, 1 2 ,vl.7 *i:1 2o+ qsin ZBs in Zp E,=l , T V= *in Za E( 1B)s in Z 2B( 1B) sin ZZsm Z y+ (sZ aBs in Z 2Bs 2)+ sin Z 2cN Vk 1p=Q T, YTx. = (s in Z aBs in ZBs in Z y)2B4 sin Z in Z (s in ZaBs in ZBs in Z y+ Zs in in 2)c(sin ZaBs in ZBs 2BZs in in)= sin ZaB(s inBsin y)2rcsq, aB(si n 2+ s i
3、n , )2r-B(si n a Es in+ s in). (s in a + 51aBsin). (s in a + si nBsi n). (s in 2 Es inBs in a ) .! o, HsYb, b ,b,P,? ,a .bb . es , n ao ,omn p ,omn c: . J=B( ) ; (b+b+b) (a +bBb)Y1mc(a + eBb ) (b + cBa ) .,. . 0 , a + b + e , b+ eBa 0 ,a EbBb O, a + cBb O,V7J o ,k 0 ,s Z a + asin ZJs in Z.0.l7mQ#+(
4、2 =v T4 100 06)l QZ*Q, ,B bQ l , CB1 , * S1B CQ. 1 CQz,t) t 5 ZL, T .Ba1:BY + c osCB1) .=Ql Qb, s2l2SiNpni. ( k = 0, 1 ,l(m) ,B1 ;bm (b: )m, l: . = 1.1.,1.1o.Je( ) 199 3 M9 (k= 0 , 1 , 2 ,l,=B1). b H, e0 1 BL;o H, Bl,.B1 L. 2,;b;B 2, Oo-B1. (kBb, l ,l, :B1). b. Ea“E , ,Z B1 9 9Z;Z 9Z., , pZlO O1 ,2
5、,l, p, ,5lB M V1aQ:Q,l,.Q7. 14JQ V !kak+ lak E2ak E3Q ; 112Q V13QlQ7,bb.a .m . V/= V4.p.-B2B2nJ =, =T .1 +1+l EBn), b kBO H; = OkO H.l E+ El+mB1BO ,l+l+BnB0 .p l , p : ,l, C. B?SB9 , O= C1 C2lpb,51 Q Vl C1 C1QsY1p :p :Q,l,sY1 Cbp .Q7.=a1. 9 1Z + E1 0B , 90o180oW, pvl.:(=3B) (=6 + : 3 + ) = : gBl , Z
6、+ lBO l9Q: mB 7(B CtacB +rmn_bbc +omn+Y,= l H, , = O(,Bbb)c8Rl8Rzm= c o sB Fm,mnmV U s( = H) ,bb 1 L. l bQ,SlQ(e) , O1 b H,B+ ismnB a+omn= gBCO S 6R9 +min10R9lY916R9bQ. l3QB+m .b, l ,maJa,=B+-B/JBBB1 g,J , , YYY*c160 0cbbbB180ca B, 6bb,#1 mm.1B M Q, V +(kB0 , 1 ,l, :B)kl= O B M 7; Ol CQ ,l7b *t ,:,
7、) .aq H,oJ(c g) =()cJ(, ) . El PQ, B Q ; 2 .Z(F)2 “ =ZpB1B0.:ZBl b, ,mBxBb,=5B1 osY1M p60.3m ZFq=+x+ : = 3 , (l)x Z + yZ + := 3 , (2 )L x b +xb E: b = 3 . (3): !xaxa: QZ CBbo+ bTBbBO,5199 3 M9 ( ) . 33 .aB + E 3 ,b + E=, co O V pb 3.7c 1 + ,5 QZM(,Bl)3Bm3 , 7bB+mi,5(2 ) T, e0(3 ) T, : ;(4) T, (l) TB
8、 |H HMF. TH,4 (+I+B+oB3 ) , TPH2m+ (1 Eb, ), :J+ (l EeK)bf E(1 Eb s)ba 2,ol + , 1 En , 1 +b2N. (3) T(1+=m)o+ (1+b,b)o E(l+pm)o= 3 ,Z 7ii= 2c+ 2|+ , sino.q1 T H, T.5 . 5 0 ,1+ EbB_tY,k3 ;k3 $.7 p =2B, 7sin2nV= 0 .yN px B: 1.3 .“54 k9 + xsp+l+ xlm, + l V$ E+l+= E1“.: !: BsIl10Q.: 999 +b888 +l+ :+ 1B+
9、El E ElBO.5 k ( ,P(1 E+l+ xo) ?$ 1 +m+ +l+)“.: ! 1sl1 + 1Q,51 E: E El E B0 ,1 P1+l+bo ().,1 a E1 ,b. , ,m+ I V,V7 p(, ,m,b).4 . T 6 pC ; EC El EC,B3( CqN ) : I nl2bQmB+a,(k 0 , l , 2 ,l, 2 ,Bl) _ 2S+ E Bm=.os1.tB= 1B O(xB, , )B0.B1B(x ,Bm) 7(=,BZx eo s 1x 2.B2 + x B4 +l+ 17a CVam2R2 C= OBoCOS 2S2 +
10、1).+ 1 ) .(=)( , ) T, 7x=1:B O2 (mBc OS/.1/B BQ a2+BIT 4 5m,m,B(2,B)2Y.B1s in Zc.2 -Br2B, +2 Y5om n#=2Bm Os inlbB3vKv . : !: 1=:lB4Q,( 1+ l) , = Cs EC=+ C +l+ Q , ( )( l+ : 1) ,=e + e=b1 + e :+l+ q : 1 , (2)( l Eb ) . = Cg+ C=b + C , +l+ C ,Bb, (3)(l + : )mBcs+ c=b + c +l+ qm. ( V Osi nS2 C+ 11B=B-
11、.m8JaB2Sa, co sa EJB/ + .m N1:k=O, 1 , 2 ,l, 2 ; H, 7.,1!b.( ) 19 93 M9 aB(c+, +onmc+ , ,BL+m ,W _ E 1 +2 +l+ 2 2. +_+ Ez0 +l+ z0= : o(1 Eb1 +b2 El+b2. )= 0 .7 cos (a +p2S29l ) w L ,# cos (a + 22 + l9 !sin A + sin B+ sin CB(co sA + Sin A )3 + (c os B + Sin 3+ (eos C + i,am)3= (eo sC +qin C)3 (b3 + 1
12、)= 3 (co s3C + in 3C) .(eo+ i )(eo sB Ein B)(e o s C +In C)= (eos C +qin C )3 0 3 = e3C + 6in 3C=eos (A + B + C )+in (A EB EC ) ,N.6 . +510 !AI A ZBA. , ,0B =H, C oA .L B. k:= eosA Eco sB Eeo sC = 0 ,p:eo s3A + eo s3B+ e os 3 CB3e o s(A + B EC ) ,sin 3A + sin 3B+ sin 3C = 3sin (A + B+ C).(l) OPA : B
13、OPB(2) jPA . IZB, (, , + o C, ). :Hqcib+1, Om(eos A E)+ (eos B +in B)+ (eos C+qin C ) 0 ,qeos (ABC)+min ( .B C) + l=Bqc o s (BBC) + is in (Be ) ,| T H | 2,c os (ABC )Bis in (ABm)r+ IBqeo s(BBC )Bis in (Be )r,| T HsYM,eo s (BC)+in (ABC )r+wc os (ABC)BJn (ABC ) E1 0 .e , (ABc )+min (ABC ) =bb2 , (b1 .
14、 .aB 7+/Y0 .2n2 eos (BBc )+min (BBe )=bb2 .VQE T V ? |b , ? cos (ABC) +Jn( ABC)Bb H,cOS (BBC )+ in (BBC) (MQ).nbeJA +qi+ =b(eo sC+in C ),eos B+ is in BB (eos C + FC ) ,#(co s3A + is in 3)+ (eo s3B+ in 3B )+ (eos 3C + is in 3C) :LH , A I L ,5 ,b, , 2,l,aBm, b 1s1,Q( Q) , !p =,5p, ;B,bmB, (a=(l) , 2 ,
15、l,a)9(=BBm)BB,c7PAmB 7B=mB, B 1.r C. X ,=, Xp;t=cB7.nl=B,Bo p oB Cc(2 ) ).o= !xBzcb,Bn2= (xB,b,B1 )(xB, 8,Bn)Bcx E Cc B1c B1BxgmB,BxrB, gPZ+ , 2BxN,B1B B1 .YI)a12Bn (OP Z+2 )Bb(l+m+l+Bm)B(1 + : +l+Bl)Bb(O P Z+ , 2 ).19 93 M9 ( )1 !M #7 =B,i PfA M B =YMC YCMAB120 0 ,p .Bm = i, k:PA + P B + PCvMA + MB
16、 + MC . : m,y , MJ, !AaBac sY aa, p : , .i13Q, = !: B+ 1(: ,B )bJ+ I( B )I) 1(, + z ,b+b2 )B (1 +b+) = : , +b+b2 1. (=) T( , ) .(, ) V, T( , )| Hq BzP , ( B)b, (B ) _ Z_M.7 E+ il,N H BzPaz ,BzPaBzP _aa C120b,pM.#C+ PB E CC ) MA EB EMc. B E1B EzeB !1 9 9 3 M I k5 b t M Ynq 3 SdB I k(? S# S) k5, F T8,
17、i+ M I k51 s, $9+ : ? hv, I k ?.5, = 1 p . M# XaZE ? I . 4 . H9Bt5B ./ NT 8 cBa k5 = rs1 k5 = r, I k5 # M# s ; k5 s H I 3 Q v# I k 1 p;# k5sV V ? P5 XZE ? I . Ms, 93 M I k l L= v?A = . m1mc/lS5,v X ?Qo M Qa #M1/ ?FM KlMnrB . I k I = s M |s.yN, wLs,o# SZ.a .p L= B M,|W |.“, #wLa L )9T“.“, I k S I M9 1277 12+. Qs, I k so a aga 28p Q. Ts%Bt,5s M:a 5aasa8a7 BQ91 .+Y T ? k5o 5p,57( 37)BKQ 9|zQ./ 8 M k5 = sT Vc