已知函数f(x)=sinx+sin(x-∏),求f(x)最小正周期sorry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!~对不起!打错了!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!是:已知函数f(x)=sinx+sin(x-∏/2),
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 10:10:49
![已知函数f(x)=sinx+sin(x-∏),求f(x)最小正周期sorry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!~对不起!打错了!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!是:已知函数f(x)=sinx+sin(x-∏/2),](/uploads/image/z/2623031-71-1.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dsinx%2Bsin%28x-%E2%88%8F%29%2C%E6%B1%82f%28x%29%E6%9C%80%E5%B0%8F%E6%AD%A3%E5%91%A8%E6%9C%9Fsorry%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%7E%E5%AF%B9%E4%B8%8D%E8%B5%B7%21%E6%89%93%E9%94%99%E4%BA%86%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%21%E6%98%AF%3A%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dsinx%2Bsin%28x-%E2%88%8F%2F2%29%2C)
已知函数f(x)=sinx+sin(x-∏),求f(x)最小正周期sorry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!~对不起!打错了!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!是:已知函数f(x)=sinx+sin(x-∏/2),
已知函数f(x)=sinx+sin(x-∏),求f(x)最小正周期
sorry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!~对不起!打错了!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
是:已知函数f(x)=sinx+sin(x-∏/2),求f(x)最小正周期!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
已知函数f(x)=sinx+sin(x-∏),求f(x)最小正周期sorry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!~对不起!打错了!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!是:已知函数f(x)=sinx+sin(x-∏/2),
改过啦!
f(x)=sinx+sin(x-π/2)
=sinx+cosx
=2(√2/2*sinx+√2/2cosx)
=2sin(x+45°)
所以,
f(x)的最小正周期:
T=2π/1=2π
f(x)=sinx+sin(x-∏) = sinx - sin(pi - x) = sinx - sinx = 0?
f(x)=sinx+sin(x-π/2)=sinx-cosx=√2sin(x-45°)
所以f(x)的最小正周期:
T=2π/1=2π
f(x)=sinx+sin(x-π/2)
=sinx-cosx
=2(√2/2*sinx-√2/2cosx)
=2sin(x-45°)
T=2π/1=2π