化简 {sin(60+α )+cos120sinα}/cosα
来源：学生作业帮助网 编辑：六六作业网 时间：2024/05/12 04:04:29
化简{sin(60+α)+cos120sinα}/cosα化简{sin(60+α)+cos120sinα}/cosα化简{sin(60+α)+cos120sinα}/cosα{sin(60+α)+co
化简 {sin(60+α )+cos120sinα}/cosα
化简 {sin(60+α )+cos120sinα}/cosα
化简 {sin(60+α )+cos120sinα}/cosα
{sin(60+α )+cos120sinα}/cosα
={sin60cosα+cos60sina+cos120sinα}/cosα
=√3/2+{1/2sina-1/2sina}/cosa
=√3/2