锟竭匡拷锟斤拷(sh锟斤拷)锟絎锟斤拷锟絵锟斤拷路 锟竭匡拷锟斤拷(sh锟斤拷)锟絎锟組锟街癸拷锟斤拷

锟斤拷(sh锟斤拷)锟絎該锟斤拷么锟斤拷?锟叫碉拷同锟絎锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟絎試锟斤拷锟斤拷锟斤拷锟紷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷么锟斤拷(sh锟斤拷)锟絎锟斤拷锟斤拷模锟斤拷锟�?锟戒實锟斤拷(sh锟斤拷)锟絎锟斤拷锟絵锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷路锟斤拷锟斤拷锟剿斤拷锟斤拷锟紷锟斤拷锟斤拷路锟斤拷锟劫硷拷锟较旓拷(sh锟斤拷)锟絎锟侥伙拷锟紸知锟絉锟絕锟絇锟斤拷锟斤拷要锟斤拷(sh锟斤拷)锟絎锟矫碉拷锟竭凤拷锟角肯讹拷锟斤拷锟絖锟斤拷锟侥★拷

锟竭匡拷锟斤拷(sh锟斤拷)锟絎锟絰锟斤拷锟斤拷锟斤拷}锟斤拷锟絵锟斤拷路

直锟接凤拷锟斤拷锟斤拷锟解化锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟轿結(ji锟斤拷)锟较凤拷锟斤拷锟饺價锟紻(zhu锟斤拷n)锟斤拷锟斤拷锟斤拷

锟脚筹拷锟斤拷锟斤拷锟斤拷锟接條锟斤拷锟斤拷锟斤拷锟斤拷小見锟斤拷锟斤拷锟絆锟睫凤拷锟斤拷锟絇锟絀锟絚锟斤拷锟斤拷锟斤拷锟絈锟斤拷锟斤拷小锟結(ji锟斤拷)論锟斤拷锟斤拷锟絯锟絳锟斤拷锟斤拷锟斤拷锟絏锟斤拷锟斤拷锟斤拷锟斤拷锟絰項凤拷;

锟竭匡拷锟斤拷(sh锟斤拷)锟絎锟斤拷锟斤拷}锟斤拷锟絵锟斤拷路

(1)锟斤拷锟絵路锟斤拷锟紻

锟斤拷 a 锟斤拷锟斤拷變锟斤拷;b 锟斤拷锟斤拷锟揭讹拷锟斤拷锟紻(zhu锟斤拷n)锟斤拷锟斤拷邊锟斤拷锟絇系;c 變锟斤拷锟紺锟斤拷锟斤拷

锟斤拷 a 锟斤拷锟斤拷锟揭讹拷锟斤拷锟斤拷示锟斤拷;b 锟矫伙拷锟斤拷锟斤拷锟斤拷式锟襟范囷拷;c 锟絖锟斤拷锟角碉拷取值锟斤拷锟斤拷锟斤拷

(2)锟斤拷(g锟斤拷u)锟斤拷锟斤拷锟絵模锟斤拷

锟劫讹拷锟絣锟斤拷锟斤拷锟斤拷锟絖锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷锟斤拷知锟斤拷锟斤拷锟斤拷锟节圖锟斤拷锟叫橈拷注锟斤拷锟斤拷锟斤拷然锟斤拷_锟斤拷锟紻(zhu锟斤拷n)锟斤拷锟侥凤拷锟斤拷

锟节讹拷锟斤拷锟竭ｏ拷锟斤拷锟斤拷锟斤拷(j锟斤拷)锟絣锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絰锟斤拷锟紻(zhu锟斤拷n)锟斤拷锟侥癸拷锟斤拷锟斤拷锟斤拷施邊锟斤拷之锟絞锟侥伙拷锟斤拷锟斤拷

锟斤拷锟斤拷Y(ji锟斤拷)锟斤拷锟斤拷

锟斤拷锟劫凤拷思锟斤拷锟节岋拷施邊锟角伙拷锟斤拷锟侥時锟斤拷注锟斤拷锟紻(zhu锟斤拷n)锟斤拷锟侥凤拷锟斤拷一锟斤拷锟叫兩種思路锟斤拷一锟斤拷全锟斤拷锟紻(zhu锟斤拷n)锟斤拷锟斤拷邊之锟絞锟斤拷锟絇系;锟斤拷锟斤拷全锟斤拷锟紻(zhu锟斤拷n)锟斤拷锟斤拷锟街�锟絞锟斤拷锟絇系锟斤拷然锟斤拷锟組锟叫猴拷锟阶冿拷巍锟�

(1)锟斤拷锟絵路锟斤拷锟紻

锟劫诧拷同锟角伙拷同锟斤拷

锟节斤拷锟斤拷U锟斤拷

锟桔伙拷f(x)=Asin(ωx+φ)+h

锟杰結(ji锟斤拷)锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟�锟斤拷

(2)锟斤拷(g锟斤拷u)锟斤拷锟斤拷锟絵模锟斤拷

锟劫伙拷锟斤拷锟斤拷锟斤拷锟角猴拷锟斤拷(sh锟斤拷)式锟侥伙拷锟斤拷锟斤拷一锟姐化锟斤拷y=Asin(ωx+φ)+h锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷“一锟斤拷锟斤拷一锟斤拷锟斤拷一锟斤拷锟斤拷(sh锟斤拷)”锟斤拷锟斤拷式锟斤拷

锟斤拷锟斤拷锟絯锟斤拷锟絈锟斤拷锟斤拷ωx+φ锟斤拷锟斤拷一锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷y=sin x锟斤拷y=cos x锟斤拷锟斤拷锟絴(zh锟斤拷)锟絖锟斤拷锟絣锟斤拷锟斤拷

锟斤拷锟斤拷猓猴拷锟斤拷锟�ωx+φ锟侥凤拷锟斤拷锟斤拷l锟斤拷锟斤拷煤锟斤拷锟�(sh锟斤拷)y=Asin(ωx+φ)+h锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟結(ji锟斤拷)锟斤拷锟斤拷

锟杰凤拷思锟斤拷锟斤拷思锟斤拷锟�锟斤拷锟介看锟絇锟絀锟絚锟斤拷锟斤拷锟絜锟絚锟斤拷锟斤拷锟結(ji锟斤拷)锟斤拷锟組锟叫癸拷锟斤拷锟斤拷锟絲锟斤拷規(gu锟斤拷)锟斤拷锟斤拷锟斤拷

(1)锟斤拷锟絵路锟斤拷锟紻

锟斤拷锟斤拷锟斤拷某一锟�锟斤拷锟斤拷锟斤拷锟揭碉拷锟斤拷(sh锟斤拷)锟叫碉拷锟絇系式锟斤拷

锟斤拷锟斤拷通項癸拷式锟斤拷

锟斤拷锟斤拷(sh锟斤拷)锟叫猴拷通式锟斤拷

(2)锟斤拷(g锟斤拷u)锟斤拷锟斤拷锟絵模锟斤拷

锟斤拷锟斤拷锟絝锟狡ｏ拷锟斤拷锟斤拷(j锟斤拷)锟斤拷知锟絣锟斤拷锟絖锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟街�锟絞锟斤拷锟絇系锟斤拷锟斤拷锟揭旓拷(sh锟斤拷)锟叫碉拷锟絝锟狡癸拷式锟斤拷

锟斤拷锟斤拷通項ｏ拷锟斤拷锟斤拷(j锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟絝锟狡癸拷式锟紻(zhu锟斤拷n)锟斤拷锟斤拷炔锟斤拷缺葦锟�(sh锟斤拷)锟斤拷锟斤拷通項癸拷式锟斤拷锟斤拷锟斤拷锟斤拷锟桔加凤拷锟斤拷锟桔乘凤拷锟斤拷通項癸拷式锟斤拷

锟桔讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(j锟斤拷)锟斤拷(sh锟斤拷)锟叫憋拷锟絖式锟侥結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟斤拷锟絖锟斤拷锟斤拷头锟斤拷锟�(锟界公式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟絜位锟斤拷锟絧锟斤拷锟斤拷锟街組锟斤拷锟斤拷)锟斤拷

锟杰岋拷锟斤拷锟紼锟斤拷規(gu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷筒锟斤拷E锟斤拷

锟斤拷锟劫凤拷思锟斤拷锟斤拷思锟斤拷锟�锟斤拷锟介看锟絇锟絀锟絚锟斤拷锟斤拷锟絜锟絚锟斤拷锟斤拷锟絵規(gu锟斤拷)锟斤拷锟斤拷

(1)锟斤拷锟絵路锟斤拷锟紻

锟斤拷 a 锟饺岋拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷;b 計锟斤拷锟侥骋伙拷c锟斤拷斜锟斤拷;c 锟矫筹拷锟叫撅拷锟斤拷锟教★拷

锟斤拷 a 锟饺岋拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷;b 談論锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷負锟斤拷;c 锟叫憋拷锟絕锟斤拷原锟斤拷锟斤拷(sh锟斤拷)值;d 锟矫碉拷原锟斤拷锟斤拷(sh锟斤拷)锟侥嗭拷锟絳(di锟斤拷o)锟絕(q锟斤拷)锟絞锟酵極值锟斤拷

(2)锟斤拷(g锟斤拷u)锟斤拷锟斤拷锟絵模锟斤拷

锟斤拷锟襟導旓拷(sh锟斤拷)锟斤拷锟斤拷f(x)锟侥岋拷锟斤拷(sh锟斤拷)f′(x)锟斤拷(注锟斤拷f(x)锟侥讹拷锟絰锟斤拷)

锟节解方锟教ｏ拷锟斤拷f′(x)=0锟斤拷锟矫凤拷锟教的革拷锟斤拷

锟斤拷锟叫憋拷锟斤拷锟斤拷锟斤拷f′(x)=0锟侥革拷锟斤拷f(x)锟斤拷锟絰锟斤拷殖锟斤拷锟斤拷蓚锟叫★拷_锟絕(q锟斤拷)锟絞锟斤拷锟斤拷锟叫筹拷锟斤拷锟斤拷锟斤拷

锟杰得結(ji锟斤拷)論锟斤拷锟侥憋拷锟斤拷锟絕锟斤拷f(x)锟侥嗭拷锟絳(di锟斤拷o)锟斤拷锟斤拷锟絆值锟斤拷锟斤拷值锟饺★拷

锟斤拷锟劫伙拷顧ｏ拷锟斤拷锟斤拷討論锟斤拷锟侥达拷小锟斤拷锟絵要锟斤拷锟斤拷注锟斤拷锟斤拷锟斤拷锟斤拷锟絕锟斤拷f(x)锟斤拷锟絞锟斤拷锟絚锟斤拷锟斤拷锟紼規(gu锟斤拷)锟斤拷锟斤拷锟斤拷

锟斤拷锟絇锟斤拷锟絔锟斤拷

锟斤拷锟斤拷锟竭匡拷锟斤拷(sh锟斤拷)锟絎锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟斤拷锟斤拷锟斤拷前锟绞傦拷锟斤拷志愿锟斤拷锟斤拷取锟街旓拷(sh锟斤拷)锟斤拷锟斤拷

锟竭匡拷锟絩锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚

锟組锟斤拷"锟竭匡拷锟絎(w锟斤拷ng)"微锟脚癸拷锟斤拷號