√3sinx-cosx=0 0
问题描述:
√3sinx-cosx=0 0
答
f(x)=√3sinx-cosx=2(sinx*cos(π/6)-cosx*sin(π/6))=2sin(x-π/6)后面的套公式啦!
√3sinx-cosx=0 0
f(x)=√3sinx-cosx=2(sinx*cos(π/6)-cosx*sin(π/6))=2sin(x-π/6)后面的套公式啦!