题目内容
如图所示,是函数y=Asin(ωx+φ)(A>0,ω>0, -p<φ<0)的简图,则振幅、周期、初相分别是 ( )
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A.2,![]() ![]() | B.2,![]() ![]() |
C.4,![]() ![]() | D.2,![]() ![]() |
B
试题分析:观察图象知,振幅A=2,周期
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点评:简单题,y=Asin(ωx+φ)(A>0,ω>0, -p<φ<0)的最小正周期为
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A.2,![]() ![]() | B.2,![]() ![]() |
C.4,![]() ![]() | D.2,![]() ![]() |