(1)函数y=23sin(12x-π4)的振幅、周期和频率各是多少?它的图象与正 发布时间:2017-04-21 10:55 │ 来源:www.tikuol.com 题型:解答题 问题: (1)函数y=23sin(12x-π4)的振幅、周期和频率各是多少?它的图象与正弦曲线有什么关系?(2)求函数y=tan(π2x+π3)的定义域、周期与单调递增区间.
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