化简3sinx-根号3cosx

问题描述:

化简3sinx-根号3cosx

3sinx - √3cosx
= 2√3·[(√3/2)·sinx - (1/2)·cosx]
= 2√3·[cos(π/6)·sinx - sin(π/6)·cosx]
= 2√3·sin[x - (π/6)]