sin(cosx)>=0
0+2nπ=
y=√[sin(cosx)]的定义域是?值域是?
y=√[sin(cosx)]的定义域是?值域是?
需要过程.谢谢.
需要过程.谢谢.
数学人气:130 ℃时间:2020-03-20 17:47:44
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