求5π/3的正弦,余弦,正切值
展开全部
sin(5π/3)=-sin(π/3) = -√3/2
cos(5π/3)=cos(π/3) = 1/2
tan(5π/3)=-tan(π/3) = -√3
cos(5π/3)=cos(π/3) = 1/2
tan(5π/3)=-tan(π/3) = -√3
追问
不懂
追答
sin(5π/3)=-sin(2π-5π/3)=-sin(π/3) = -√3/2
cos(5π/3)=cos(2π-5π/3)=cos(π/3) = 1/2
tan(5π/3)=-tan(2π-5π/3)=-tan(π/3) = -√3
本回答被网友采纳
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询