題目列表(包括答案和解析)
A.偶函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對(duì)稱
B.偶函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對(duì)稱
C.奇函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對(duì)稱
D.奇函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對(duì)稱
A.偶函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對(duì)稱
B.偶函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對(duì)稱
C.奇函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對(duì)稱
D.奇函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對(duì)稱
A.偶函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對(duì)稱B.偶函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對(duì)稱
C.奇函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對(duì)稱D.奇函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對(duì)稱
已知函數(shù)f(x)=asinx+bcosx(a、b為常數(shù),a≠0,x∈R)在處取得最小值,則函數(shù)是
A.偶函數(shù)且它的圖象關(guān)于點(diǎn)對(duì)稱 B.偶函數(shù)且它的圖象關(guān)于點(diǎn)對(duì)稱
C.奇函數(shù)且它的圖象關(guān)于點(diǎn)對(duì)稱 D.奇函數(shù)且它的圖象關(guān)于點(diǎn)對(duì)稱
(A)偶函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對(duì)稱 (B)偶函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對(duì)稱
(C)奇函數(shù)且它的圖象關(guān)于點(diǎn)(,0)對(duì)稱 (D)奇函數(shù)且它的圖象關(guān)于點(diǎn)(π,0)對(duì)稱
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