问一道数学求周期的题!y=(1-tan3x)/(1+tan3x) 求此函数的周期?_数学解答

问一道数学求周期的题!
y=(1-tan3x)/(1+tan3x) 求此函数的周期?

人气：330 ℃　时间：2020-09-19 18:50:57

解答

``````````1`-`tan`3x`````````tan`45°-`tan 3x``````````````````````y=--------------- = -------------------------`````````````````````````1`+`tan`3x```````1`+`tan`45°×tan 3x``````````````````````````...