化简 (1)3/2cosx-根号3/2sinx

问题描述:

化简 (1)3/2cosx-根号3/2sinx

根号3sin(π/3-x)

3/2cosx-根号3/2sinx
=根号3(根号3/2cosx-1/2sinx)
=根号3(sinπ/3cosx-cosπ/3sinx)
=根号3sin(π/3-x)