cosαtan(2π+α)化简

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/15 09:31:38
cosαtan(2π+α)化简

cosαtan(2π+α)化简
cosαtan(2π+α)化简

cosαtan(2π+α)化简
cosαtan(2π+α)
=cosαtanα
=cosα(sinα/cosα)
=sinα