问题详情

已知tan α=5,则sin α cos α=(  ).


A、<img width="23" height="41" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/40418d90-5e95-4137-b3e4-d789d69c71de.png">

B、<img width="35" height="41" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/52cdcd4b-ed7f-40b0-b60c-5484690730aa.png">

C、<img width="35" height="41" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/76f6fa24-92cf-442c-aa40-9b7818e33f7b.png">

D、<img width="23" height="41" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/b8700cad-8b27-4787-a952-94243e7dea9b.png">

A、<img width="23" height="41" id="Picture 418" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/23f7aaf5-1ed2-4046-b45c-dfced5dbd5b7.png">

B、<img width="35" height="41" id="Picture 419" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/fcfb838e-f55b-4460-806e-51edf0bbff8b.png">

C、<img width="35" height="41" id="Picture 420" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/4b9cf82c-4786-482e-8dd1-3385afd3426c.png">

D、<img width="23" height="41" id="Picture 421" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/4eb01f19-c77f-43a2-a0e5-913133372143.png">

时间:2022-01-10 11:33 关键词: 军考类 公安边防消防警卫部队院校统考 军队院校士官高等职业技术教育招生考试

答案解析

D
已知tan α=5,则,,所以.