化简SINX-根号3COSX
问题描述:
化简SINX-根号3COSX
答
2sin【x—60】
答
sinx-√3cosx
=2[(1/2)sinx-(√3/2)cosx]
=2[sinxcos(π/3)-cosxsin(π/3)]
=2sin(x- π/3)