函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件

函數(shù)y=Asin(ax+)的圖象與性質(zhì)函數(shù)y=Asin(ax+)的圖象與性質(zhì)1第一課時(shí)《北京青年報(bào)》2002年2月24日?qǐng)?bào)道:中國(guó)第一座高108m的摩天輪在錦江樂園起吊了第一根鋼質(zhì)主支架,上海這座摩天輪的誕生將以此高度躋身世界三大摩天輪之列第一課時(shí)2討論討論3考察摩天輪上吊籃與輪環(huán)的某一個(gè)連接點(diǎn)yOP繞O點(diǎn)按逆時(shí)針方向,勻速運(yùn)動(dòng),經(jīng)過鐘后達(dá)到OP.1O\角速度:O半徑:RP.y=Rsin(ot+o)般地,y=Asin(ox+)考察摩天輪上吊籃與輪環(huán)的某一個(gè)連接點(diǎn)4在物理和工程技術(shù)的許多問題中。都要遢到形如y=Asin(ωx+)的函數(shù)解析式(其中A,O,是常數(shù)),如交流電、振動(dòng)和波尊在物理和工程技術(shù)的許5例1作函數(shù)y=2sinx及y=sinx的圖象解:1.列表0兀sinx02x00SInx0例1作函數(shù)y=2sinx及y=sinx的圖象62.描點(diǎn)、作圖sinxy=sinrIHly==sinx周期相同作圖2.描點(diǎn)、作圖7sinxy=sinx2πy=-sinr2πTsinx8函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件9、函數(shù)y=Asin(A>0)的圖象y=2sinx的圖象可以看作是把y=sinx的圖象上所有點(diǎn)的縱坐標(biāo)伸長(zhǎng)到原來的2倍sinx的圖象可以看作是把y=sinx的圖象上所有點(diǎn)的縱坐標(biāo)縮短到原來的倍、函數(shù)y=Asin(A>0)的圖象10函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件11函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件12函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件13函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件14函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件15函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件16函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件17函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件18函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件19函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件20函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件21函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件22函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件23函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件24函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件25函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件26函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件27函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件28函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件29函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件30函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件31函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件32函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件33函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件34函數(shù)y=Asin(ax+)的圖象與性質(zhì)函數(shù)y=Asin(ax+)的圖象與性質(zhì)35第一課時(shí)《北京青年報(bào)》2002年2月24日?qǐng)?bào)道:中國(guó)第一座高108m的摩天輪在錦江樂園起吊了第一根鋼質(zhì)主支架,上海這座摩天輪的誕生將以此高度躋身世界三大摩天輪之列第一課時(shí)36討論討論37考察摩天輪上吊籃與輪環(huán)的某一個(gè)連接點(diǎn)yOP繞O點(diǎn)按逆時(shí)針方向,勻速運(yùn)動(dòng),經(jīng)過鐘后達(dá)到OP.1O\角速度:O半徑:RP.y=Rsin(ot+o)般地,y=Asin(ox+)考察摩天輪上吊籃與輪環(huán)的某一個(gè)連接點(diǎn)38在物理和工程技術(shù)的許多問題中。都要遢到形如y=Asin(ωx+)的函數(shù)解析式(其中A,O,是常數(shù)),如交流電、振動(dòng)和波尊在物理和工程技術(shù)的許39例1作函數(shù)y=2sinx及y=sinx的圖象解:1.列表0兀sinx02x00SInx0例1作函數(shù)y=2sinx及y=sinx的圖象402.描點(diǎn)、作圖sinxy=sinrIHly==sinx周期相同作圖2.描點(diǎn)、作圖41sinxy=sinx2πy=-sinr2πTsinx42函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件43、函數(shù)y=Asin(A>0)的圖象y=2sinx的圖象可以看作是把y=sinx的圖象上所有點(diǎn)的縱坐標(biāo)伸長(zhǎng)到原來的2倍sinx的圖象可以看作是把y=sinx的圖象上所有點(diǎn)的縱坐標(biāo)縮短到原來的倍、函數(shù)y=Asin(A>0)的圖象44函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件45函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件46函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件47函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件48函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件49函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件50函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件51函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件52函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件53函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件54函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件55函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件56函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件57函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件58函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件59函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件60函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件61函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件62函數(shù)y=Asin(wx+φ)的圖象與性質(zhì)優(yōu)質(zhì)課比賽課件63函數(shù)y=Asin(wx+φ)