评论 来源:互联网 时间:2023-05-13 14:02:31
(资料图)
1、sin(π/4+西塔)=sinπ/4cos西塔+cosπ/4sin西塔=根号2/2(sin西塔+cos西塔)=1/3sin西塔+cos西塔=根号2/3 (sin西塔+cos西塔)²=sin西塔²+cos西塔²+2sin西塔cos西塔=1+sin2西塔=2/9sin2西塔=-7/9要好评哦!。
本文分享完毕,希望对你有所帮助。
标签:
上一篇:鄱阳湖读音_鄱阳湖正确读音
下一篇:最后一页
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-13
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
22-09-30
22-04-11
22-04-11
22-04-11
22-04-11
22-04-11
22-04-11
22-04-11
22-04-11
22-04-11
23-05-13
23-05-13
23-05-13
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12
23-05-12