函数y=sin(2x+π/3)图像的对称轴方程是A x=-π/6B x=-π/12C x=π/6D x=-π/12
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 03:10:15
![函数y=sin(2x+π/3)图像的对称轴方程是A x=-π/6B x=-π/12C x=π/6D x=-π/12](/uploads/image/z/121604-68-4.jpg?t=%E5%87%BD%E6%95%B0y%3Dsin%EF%BC%882x%2B%CF%80%2F3%EF%BC%89%E5%9B%BE%E5%83%8F%E7%9A%84%E5%AF%B9%E7%A7%B0%E8%BD%B4%E6%96%B9%E7%A8%8B%E6%98%AFA+++x%3D-%CF%80%2F6B+++x%3D-%CF%80%2F12C+++x%3D%CF%80%2F6D++x%3D-%CF%80%2F12)
函数y=sin(2x+π/3)图像的对称轴方程是A x=-π/6B x=-π/12C x=π/6D x=-π/12
函数y=sin(2x+π/3)图像的对称轴方程是
A x=-π/6
B x=-π/12
C x=π/6
D x=-π/12
函数y=sin(2x+π/3)图像的对称轴方程是A x=-π/6B x=-π/12C x=π/6D x=-π/12
sin对称轴就是最值的地方
sin(2x+π/3)=±1
2x+π/3=kπ+π/2
x=kπ/2+π/12
k取0
则x=π/12
,BD怎么一样?,有一个错了
x=π/12