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),

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已知函数f(x)=sinx+sin(x-∏),求f(x)最小正周期sorry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!~对不起!打错了!!!!!!!

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

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