http://www.sansu.org/used-html/index488.html
㤦ɼ¼ƱǤ
͡ 929ڡ 0:41:58 45276
̤ꤹ1
˹ޤ^ ^
񡡡 929ڡ 0:44:25 45277
̤ꤹ1
http://bokunozinnseihunntou.blog.fc2.com/
ط¤ޤ󤬡֥Ω夲Ƥߤޤ
ˤǤɤ
񡡡 929ڡ 0:45:41 45278
鯤ο
ɸ׻ޤ

P(0,0)ȤơA(-4,3)
APBȤȤȡQ(-1,tan2)
tanȡ3/4
tan2ȡ2*(3/4)/(1-(3/4)^2)24/7
APQѤSȤȡ
S=-1*3-(-4)*tan2ȡ/2-3+4tan2ȡ/275/14
929ڡ 0:53:18 45279
ޥ
ߤޤΥߥʥե֤Υߥˤǡ˼ԤƤޤˡΤȤ˵ŤΤ 0:30᤯ˤʤäƤȤ...ޤǤm(_ _)m

⤳ꡢ˻ƤΤȤ...23:40˵ŤޤؤԲǽȽǤΤޤޤˤƤޤޤ
iMac 929ڡ 0:57:38 HomePage:45280
Redrum
ʿ겡̵򤭤ޤ(^^;)
929ڡ 0:58:01 45281
٥륯åĥ
ѤФ˿򲼤ƸҤȤƳ٤ͤƤȡѣѣҤ45٤ˤʤ껰ѷңѤջѷˤʤޤ
ҡѣҤʤΤǣҡңС34С5Уѡ15/7äƵѤ5ߡ15/7ˡ275/14
929ڡ 2:01:25 45282
⡼ޥ
錄tanǡ^^;

tan(2)=(2*3/4)/(1-(3/4)^2)=24/7
(24/7)-(3/4)=75/28
so
(75/28)*4/2=75/14

^^;v
929ڡ 1:15:20 45283
鯤ο
APCQθEȤȡAED梤PECꡢCE3/4
CQyȤȡ
Ѥ2ʬ顢
PQPCQEEC
(y^2+1)1(y-3/4)3/4
򤤤ơy=24/7
QEy-3/475/28
APQQE*BP/275/14
929ڡ 1:22:28 45284
Ȥ
ɸA(0,0),P(5,0)ȤA,P濴ˤ줾Ĺ3,4αߤθȤB
濴Ĺ3αߤľBPθC
̤ľBPȿľľľPQȤθQ(AP=5)*Qyɸ/2Ǥ XMaxima

part(solve([x^2+y^2=9,(x-5)^2+y^2=16],[x,y]),1)$
part(solve([(x-rhs(part(%,1)))^2+(y-rhs(part(%,2)))^2=9,y=-rhs(part(%,2))*(x-5)/(5-rhs(part(%,1)))],[x,y]),2)$
5*rhs(part(part(solve([y=-(5-rhs(part(%o1,1)))*(x-rhs(part(%,1)))/-rhs(part(%o1,2))+rhs(part(%,2)),y=rhs(part(%o1,2))*(x-5)/(5-rhs(part(%o1,1)))],[x,y]),1),2))/2;75/14()
˭ԡ 929ڡ 5:21:34 45285
ǯ
Ȥޤ
APDCθRABPAP򼴤ȿžBιԤEȤ롣
ABPAEPADQAEQľѻѷ2դˡ
APQѡ4*CQ/23*PQ/22̤˷׻ǤΤ
DQ=QE=XȤȡ
4*CQ/24*(RD+X)/24*(3*3/4X)/2
3*PQ/23*(4X)/2
顢X=3/7ΤˡAPQѡ75/14 cm2

#45282ޤ 45٤ޤǤȽޤQ򲼤ʻѷäƿ⤵ȤƵޤǤϵդޤǤ
ʸλѷAPQϻѷAQRǤ͡

602ƱǤ͡602ϳ٤ꡢѤ

929ڡ 8:25:01 45286
٥륯åĥ
#45286
Ŧ꤬ȤޤޤľäҤȣФְ㤨ƤޤƤޤ
929ڡ 2:00:54 45287
ȤޤԤ
ܡȤȤȡQP=1/cos2ȡAP=5Ѥ1/2xQPxAPxsinȡ
sin=3/5 ʤΤǡܳѸcos2=7/25
=1/2x25/7x5x3/5=75/14

ȤˡǽֻǤޤ
929ڡ 2:03:45 45288
ʤʤ


£Фϣľѻѷ
ѤФ˿­
ȤãѤ˿­
ФȣãѤθ
ǣľѻѷ̤

ѣȡᢢȤ
ȣɡ3/5ߢȣҡ3/4ߢȣС4/3ߢңС7/12ߢ
ãС7/15ߢ1cm

äƣѣȡ15/7cmѤϡ5 15/72 =75/14 cm^2
929ڡ 3:52:46 45289
Ȥ
602꤬37=Ȥ #45285 ȤۤƱˡǤǤޤ

ɸA(0,0),P(1,0)ȤA,P濴ˤ줾Ĺa,sqrt(1-a^2)αߤθȤB
濴ĹaαߤľBPθC
̤ľBPȿľľľPQȤθQ(XMaxima )

part(solve([x^2+y^2=a^2,(x-1)^2+y^2=1-a^2],[x,y]),1)$rhs(part(%o1,1))$rhs(part(%o1,2))$
part(solve([(x-%o2)^2+(y-%o3)^2=a^2,y=-%o3*(x-1)/(1-%o2)],[x,y]),2)$rhs(part(%o4,1))$rhs(part(%o4,2))$
solve([y=(1-%o2)*(x-%o5)/%o3+%o6,y=%o3*(x-1)/(1-%o2)],[x,y]);
x=(sqrt(1-a^2)*(sqrt(1-a)*a^2*sqrt(a+1)-a)+a^4)/(2*a^2-1)
y=(-sqrt(1-a)*a^3*sqrt(a+1)+sqrt(1-a^2)*(a^3-a)+a^2)/(2*a^2-1)

xʬҤϡ(1-a^2)*a^2-a*sqrt(1-a)^2+a^4=a^2-a*sqrt(1-a^2)
yʬҤϡ-sqrt(1-a^2)*a^3+sqrt(1-a^2)*a^3-a*sqrt(1-a^2)+a^2=a^2-a*sqrt(1-a^2)
y=x ꡡQAP=45
ľAP,QCθR,37=ȤȢARQ=90-
AQRѤ¤180ʤΤǡAQC=180-45-(90-)=45+()
˭ԡ 929ڡ 5:12:43 45290
ϥ饮㡼ƥ
Ϥ褦ޤ

ѴؿǤ
929ڡ 5:12:05 HomePage:湩ؤ˥45291

ѤФ˿ѣҤТѣҤľջѷݤʤ
УѤФޤ֤£оΣѤΰưӤȤȢ£Ӣᢤģѡľѻѷμդ¾ΰդǹƱ
äƢܣӣѡ᣹ݢܣ£ӡܢܣģѡ᣹ȤʤꢤӣѤľջѷ
äƢѣҤľջѷ
äƣУҡңѡң᭤ǣС᭤ܭᣵꡡᣵ
Уѡ᭧᣷Ȥʤޤ
ʢ⡡#45282٥륯åĥǤ͡٥륯åĥϢܣѣҡᣴʢѣҤľջѷˤäȥޡȤˤƤΤǤϡ
Ϻꡡ 929ڡ 5:14:26 45292
ˤ
Ȥꤢ
ѴؿDz򤭤ޤ^^;
929ڡ 6:00:07 MAIL:nikotan@fat.coara.or.jp 45293
cocogoo
PG,QD̤οxyȤСѷPQCǥԥ饹ʬСx,yޤ롣
929ڡ 6:37:53 45294

Ϥ褦ޤ
٥륯åĥ󡢤ᤤƱͤȻפޤ
ĤۤޤǤñˡ
ttp://www.fastpic.jp/images.php?file=2329358581.jpg

APB=Ȥ
QAP˿ľľBC,APȤθE,FȤAQ=AE, äƢABEᢤADQ
ޤABPAPޤ֤ARPȢABEᢤARQ
äƢBAE=DAQ=RAQ=Ȥ
APRѤ򸫤
2ߡ2ߦ=90ʤΤǡܦ=45=FAQ=FQA
äAF=QF, QF:FP=3:4, AP=5ʤΤQF=53/7=15/7
Ѥ1/2515/7=75/14

ɵ
褯ߤEηϤʤƤ򤱤ޤ
Mr.ǥƱˤʤޤ
929ڡ 10:27:24 45295

QDxȤơѤʬѤxˤĤƤ򤤤ơx3/7
äơ(3/79/4)41/275/14
ˤؤǤ͡
929ڡ 8:31:39 HomePage:45296
Mr.ǥ
ABP3:4:5ľѻѷ
PBAPA˴ؤޤ֤ȤBιԤB'Ȥ
ADQᢤAB'Q
QAP=B'PA+B'AQ=90/2=45
QADˤ­HȤ
PH:QH:AH=4:3:3
QH=5*(3/7)=15/7
ѡ(1/2)*5:(15/7)=75/14
ϻѴؿȤäƤȤΤǤͤľƾ嵭Τ褦˲򤭤ޤ
929ڡ 8:52:40 45297
uchinyan
ϺǰؤǤʤȤǤʤΤDzۥäȤޤޤޤƻǡ
ǤŪ褯ѥʤΤǡȤƤɸŪפʡ
ʲˡꤽǤϤʴǡ

(ˡ1)
Q AP ˿򲼤­ HAP CD θ EȤޤ
CQH = APB = APQ ʤΤǡEHQQHPECPABP Ϥ٤ 345 ľѻѷǤ
QHEH = 43QHPH = 34QHEHPH = 12916QHPE = 12(16 - 9) = 127PECP = 54
PECP = 54CP = BP - BC = 4 - 3 = 1 cmPE1 = 54PE = 5/4 cmQH(5/4) = 127QH = 15/7 cm
AP = 5 cm ʤΤǡAPQ = AP * QH * 1/2 = 5 * 15/7 * 1/2 = 75/14 cm^2ˤʤޤ

(ˡ2)
APQ AP ˴ؤޤ֤ Q ΰư R ȤޤAPB = APQ ʤΤ R BC ˤޤ
ΤȤAQ = ARAD = ABADQ = 90= ABRꡤADQ ABRQAD = RABʤΤǡ
QAP = QAD + DAP = RAB + DAP = 90- RAP = 90- QAPQAP = 45롤Ǥ
ǡQ AP ˿򲼤­ H ȤȡHAQ HA = HQ ľջѷˤʤޤ
ޤQHP ABP 345 ľѻѷǤ
ǡAP = 5 cm Ȥäơ
AHPH = QHPH = 34QH = AH = AP * 3/(3 + 4) = 5 * 3/7 = 15/7 cm
APQ = AP * QH * 1/2 = 5 * 15/7 * 1/2 = 75/14 cm^2
ˤʤޤ

ĿŪˤϡ(ˡ1)ʲˡǡ(ˡ2)Ͼȥåʵޤ
ǤϡդȤ
PAR = 45롤DQ = BRΤȤAQP ARPʤɤϷ빽Τǡ
ϢˤϤǤʤΤޤ͡
930ʶ 14:21:34 45298
uchinyan
ǼĤɤߤޤ


ʲεҤϡ⤽ϻ伫ȤٶΥ˲᤮ʤΤǤ
޳ѤʤΤǤͤޤǤˤȻפäƸΤǤ
Ȥ⤢äơˡʬϻ F.A.Q. ΡֻϰϡפεҤ򻲹ͤˡ
ĿͤǤиǼŪ˹ԤäƤΤǤäơҴŪʤΤǤϤޤ
ޤǤ⤴ͤǤ餺

äȰճǤزˡ빽¿褦Ǥ
ȤƤϤפȤϤʤ
ޤդȵդפ鷺ؤDz򤤤äƤȤͤ¿Τ⡣

#45282#45292#45295#45297#45298(ˡ2)
Q AP ˿򲼤­ H Ȥ QAH = 45򼨤Ʋ򤯲ˡ
ܺ٤ˤϥХꥨ󤬤ޤ

#45286
AP DC θ RABP AP 򼴤ȿž B ιԤ E Ȥ
DQ = QE, APQ = 4 * RQ * 1/2 = 3 * PQ * 1/2äƲ򤯲ˡ
٤ʤ黻ȻפäƤ⤤Ǥ礦

#45289
Q AP ˿­ HH CQ ˿­ IAP CQ θ RȤ
Ȥä QH 򤯲ˡ

#45298(ˡ1)
Q AP ˿򲼤­ HAP CD θ EȤ
Ȥä QH 򤯲ˡ
#45289ȼ¼ƱȻפޤ
㴳ץλ㤦褦ʤΤǡǰΤʬˤޤ

#45303
AD PQ θ R Ȥ APR ջѷȤäƲ򤯲ˡ
ʤۤɡϥåꤷƤƤǤ͡

#45279#45281#45283#45284#45285#45288#45291#45293#45294#45296#45300
ؤˤˡ

ʤ

#45276#45280#45286
㴳ȥ֥뤬ä褦Ǥ͡˼¼Ʊ꤬äȤϡ
äȤʬʤΤdzФƤ⡥ (^^;
930ʶ 12:27:47 45299
礦1955
Ѥ2ʬȤޤѣäȣФθҤȤȡ
ѣҡѣСңáãСȤϢѣãФ3ʿȤäƲ򤯤ȡɣѣҤĹ75/28cmդȤС⤵=3ã=1ΣĤ΢ѤιפƱʤΤ75/28ߡʣܣˡ75/14cm^2
929ڡ 15:54:49 45300
2N.K.
󹹿٤äǤ

ؤäݤ򤤤Ƥޤäޤ

#45278
֥Ҹ褦Ȼפޤ
929ڡ 18:29:22 45301
̤ꤹ1
#45301
꤬Ȥޤ^ ^
ϿؤDz򤯤ΤüᤫäǤ͡
ߤͤϻʿȤޤ
񡡡 929ڡ 18:51:54 HomePage:ͤοʳƮ45302
ˤ⡼
ˤϡǶäǾΥϥӥʤʤΤˤͤ
إ٥οؤľƤޤơ
ػ˲򤤤ֹ⹻ؤοΥϥ٥齬פȤ꽸
Ѥʤɽ⤫٤Ʋ򤤤Ƥޤ

μʬβˡϰʲ̤ꡣ

ĤȣУѤθҤȤȡУҤջѷˤʤ롣
ˣҤФ˿򲼤­ӤȤȡ
ңӤȢУңӤιƱľѻѷʬǤ롣
ӡ5/2Ǥ뤳Ȥ顢ҡ5/25/425/8

ģҡ25/8ݣ1/8ãСᣱǤ뤳Ȥ
ѣģҤȣѣãФ桡18Ȥ狼ꡢ
ãġᣳǤ뤳Ȥ顢ѣá38/724/7

Ѥϡꡡҡߣѣá1/225/824/71/275/14

ʾ塡

äơˡդˤȤˡä񹳤ޤ͡
޻Ա¶ʼΡˡ 930ʶ 0:51:20 45303
Ф
ѴؿܳѤǽֻݤⲿʤǤ
102 11:54:13 45304
̤ꤹ1
褯ȡPAQ45Ǥ͡
񡡡 105ʿ 23:39:31 HomePage:ͤοʳƮ45305