函数y=1/2sin(x-π/3)的对称轴
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![函数y=1/2sin(x-π/3)的对称轴](/uploads/image/z/13197667-67-7.jpg?t=%E5%87%BD%E6%95%B0y%3D1%2F2sin%28x-%CF%80%2F3%29%E7%9A%84%E5%AF%B9%E7%A7%B0%E8%BD%B4)
函数y=1/2sin(x-π/3)的对称轴
函数y=1/2sin(x-π/3)的对称轴
函数y=1/2sin(x-π/3)的对称轴
对称轴的梯度=0
所以dy/dx = 0
y = (1/2) sin (x - π/3)
dy/dx = (1/2) cos (x - π/3)
当 dy/dx = 0
0 = (1/2) cos (x - π/3)
cos (x - π/3) = 0
x - π/3 = π/2
x = 5π/6
对称轴,x = 5π/6