数学题~求解答,要有过程①如下左图,C,D是半圆O上两点, CD/AB=5/11,求cos∠CEB和tan∠CEB②如下右图,若AC,BD的延长线交于点E,CD/AB=5/11,求cos∠CEB和tan∠CEB

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/29 16:24:30
xX[O+HO.hH`P*Hh{zHU՘1@0؄K0Ɨ3p5{<$RNR{^ko}[ˌsuvq/ŦM;RB뭨}v46mk,J?)Uq.4m>19;6 OO7WTLi69,;=S[=uҰ8mǂ?ۿyc܏Mso~!axlRog{L947sCC/g^~z~( c('^Ά|{p8Ƈ.Hx̌{ F >Wp c;hxݞ38tB!Xɂ)Z$%f7Bx(|B# Ñx8< /Aqa3>E`ŘidC7ɠx]h=yϧLbOٟO~,|k8D) XW`jS:(dò'6e^ޡ*Ԕ2aQPM^-[26v#q>?x1JBr^aL'RTa%vt ʚQpBiƕj,xnL o`t͚WlEyQ=2󖥢 |]aXկZo-fY-"_*Z6!:\enފ6?aMyH-ÐӭX&YE^5V=X7znf),m:W⚽<"pwp^x@X:XLji"K?()=(Po,#Rze]dsuN)^8-:N%)[VbX84445 劾Xa9֖OmPL/" [Ӫu#{\=bc$xRJ(H OdRV=x-8I6%#_SZU&4{B~ #/|w{B&N^r -e'DV3p} Krxnĭo<Dg?o\խuTn qi>\dwm# ( p m`NXoGMVHDBGS;jE!lOĠxdG|LF$lZ,UtVQPIx ;꨽ <] `UO):<8OvX.,Vl=84""9 ܍b񘾱G!= "u5AX"Px}BmՒIRaLSHb[|l&AWѸ f HCj$Ж{~]8g&Dh _ʈ,ETQ$JUKVb|wiňk#JFւDE<_=y@Jn ҢO%qar*zQ(Zۧ8O8v! 81Xc'd`Wi1L`LBEcTJP*MP)a2AY~C 'hw;Jщ@O/p|RF|聤 EF^13&¶|O%cs*zKi",h: $UUXE u'\)AV1|JI+(-z1ӥ$oĂA̪Juhm@jaC4W!B,D.nK,=w=g%Ŝ p XhLjm"4Kǭ$䙬Уo-jMip* ` Zh@(U&2G?\X]J|g[L&kp4@kSc͓`kP7T!#zVK`pBnVы-zS/eZ̴tq٘ z0OWp0WzCn?PZiAE"JQl`hUDWwev9K\ ZJx#1-kK -!GWCc-O'N}T *„nPi-x@[٧ƮڲfnޣolUօ"8r:9N'qL}WNfdz_Y-39gUq/k ŧ&,/sβ^AgZU[4\*fzE!QKzd~!PMC5^1sBV {=.cVqaqVtbCljtR՗3oW3h%* lz0d