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

来源：学生学帮网编辑：学帮网时间：2024/06/08 07:58:27

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°-`tan 3x``````````````````
````y=--------------- = -------------------------```````````````
``````````1`+`tan`3x```````1`+`tan`45°×tan 3x````````````
````````````````````````````````````````````
`````=tan(45°-3x) (差角公式)`````````````````````
````````````````````````````````````````````
````∴ω`=`3``````````````````````````````````````
````````````````````````````````````````````
````````````π```π```````````````````````````````
````∴T`=`-`=`-`````````````````````````````````
````````````ω```3```````````````````````````````

问一道数学求周期的题!y=(1-tan3x)/(1+tan3x) 求此函数的周期? 函数y=tan3πx的最小正周期问一道数学求反函数：y=In（x+开根1+x^2）问一道数学求反函数：y=In（x+开根1+x^2）我想问一道数学填空题?y的平方+y+1=(y-_____ )+_______(填数字) 数学三角函数题,求周期如题 y=sinx+1/2sin2x+1/3sin3x,求周期要化简过程, 数学求函数周期求Y=SIN （X/4）的周期高一数学---三角函数求周期问题求y=sinX+根号3*cosX的周期求证明一道数学题证明：3+tan1tan2+tan2tan3=tan3/tan1 注：都是角度制的,不是弧度制的. 一道简单的有关三角函数周期性的题目已知函数y=f(x)的周期为3,试求y=f(2x+1)的周期已知tana-cota=1,求tan3平方a-cot3平方a的值一道函数,关于周期的题函数y=sin2x的最小正周期多少, 一道求最大值最小值和周期的问题数学在线等：Y=5cos(2x+2/π)+12cos(2x+31π）求问一道双重积分的大一数学证明题求一道数学证明题的解答（第三问）问一道数学几何体求第二小题的解法求问一道数学函数填空题一道数学证明题求第二问求问一道数学第15题!