∵當(dāng)x=45°時(shí),函數(shù)y=F(x)=Asin(x+m)(A大于0)取得最小值
∴F(45º)=Asin(45º+m)=﹣A ∴45º+m=k×360º-90º ∴m=k×360º-135º
∴F(135º-x)=Asin(135º-x+m)=Asin(135º-x+k×360º-135º)=Asin(k×360º-x)=﹣Asinx
當(dāng)x=45°時(shí),函數(shù)y=F(x)=Asin(x+m)(A大于0)取得最小值,則函數(shù)y=F(135°-x)是?
當(dāng)x=45°時(shí),函數(shù)y=F(x)=Asin(x+m)(A大于0)取得最小值,則函數(shù)y=F(135°-x)是?
數(shù)學(xué)人氣:454 ℃時(shí)間:2020-04-10 23:32:45
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