已知则tanφ=(  )A.-                                        ...

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问题详情:

已知已知则tanφ=(  )A.-                                        ...则tan φ=(  )

A.-已知则tanφ=(  )A.-                                        ... 第2张                                                B.已知则tanφ=(  )A.-                                        ... 第3张

C.-已知则tanφ=(  )A.-                                        ... 第4张                                                 D.已知则tanφ=(  )A.-                                        ... 第5张

【回答】

D

知识点:三角函数

题型:选择题

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