来自陈崇端的问题
【问一道数学求周期的题!y=(1-tan3x)/(1+tan3x)求此函数的周期?】
问一道数学求周期的题!
y=(1-tan3x)/(1+tan3x)求此函数的周期?
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2020-06-15 22:47
【问一道数学求周期的题!y=(1-tan3x)/(1+tan3x)求此函数的周期?】
问一道数学求周期的题!
y=(1-tan3x)/(1+tan3x)求此函数的周期?
``````````1`-`tan`3x`````````tan`45°-`tan3x``````````````````````y=---------------=-------------------------`````````````````````````1`+`tan`3x```````1`+`tan`45°×tan3x``````````````````````````...