求sinx≤√3/2的X的集合
求sinx≤√3/2的X的集合
数学人气：108 ℃时间：2020-04-26 13:41:20
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画sin图,得到x属于[2kπ-π,2kπ+π/3]并[2kπ+2π/3,2kπ+π].k属于整数.
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