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

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問題詳情:

若tan若tan+=4,則sin2=                                        (...+若tan+=4,則sin2=                                        (... 第2張 =4,則sin2若tan+=4,則sin2=                                        (... 第3張=                                         (  )

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

【回答】

D  

知識點:三角恆等變換

題型:選擇題

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