化简 (1)3/2cosx-根号3/2sinx
问题描述:
化简 (1)3/2cosx-根号3/2sinx
答
根号3sin(π/3-x)
答
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)