急救help me

来源：学生作业帮助网 编辑：作业帮 时间：2024/10/03 16:19:23
急救help me
xN0E_T*؎!lvc: !CGf^ ASna-V}e/`f =G;ZpϦsb,Ry8sS j&&ZyJL3C7ՠjDO8ƣ8E?KH7F)re$Nh21JLXfMgA3^咱_q %(\H0aO.&Ů[Ux|=l4$]V߯r!VTyy

急救help me
急救help me
 

急救help me
tan=2,则sin=2/根号5,cos=1/根号5,所以答案为4/5

急救help me help help help me help!help!help me help me help me help me!help me! help me,help me help me help me help me!help me! help me,help me help me help me Help me Help me Help me! help me! help me help me! Help me help me help me help me! help me! help me help me