若tan+=4,则sin2=                                        (...

来源:语文精选馆 1.05W

问题详情:

若tan若tan+=4,则sin2=                                        (...+若tan+=4,则sin2=                                        (... 第2张 =4,则sin2若tan+=4,则sin2=                                        (... 第3张=                                         (  )

A.若tan+=4,则sin2=                                        (... 第4张              B.若tan+=4,则sin2=                                        (... 第5张                  C.若tan+=4,则sin2=                                        (... 第6张                    D.若tan+=4,则sin2=                                        (... 第7张

【回答】

D  

知识点:三角恒等变换

题型:选择题

热门标签