求值:cos255°+sin(-7π/3)+cos(-2040°)+sin(-16π/3)

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/27 00:13:38
x){iÞ{f%~Owqf=o7~(Tu"+44I*ҧv6q)u*41h4|C#mR#g v>r|cPHMVDѧm/.H̳