(cos^2a+1/2sin2a)/(sin^2a+cos^2a)怎么化简成(1+tana)/(1+tan^2a)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 22:41:41
![(cos^2a+1/2sin2a)/(sin^2a+cos^2a)怎么化简成(1+tana)/(1+tan^2a)](/uploads/image/z/8731252-28-2.jpg?t=%EF%BC%88cos%5E2a%2B1%2F2sin2a%EF%BC%89%2F%28sin%5E2a%2Bcos%5E2a%29%E6%80%8E%E4%B9%88%E5%8C%96%E7%AE%80%E6%88%90%EF%BC%881%2Btana%EF%BC%89%2F%281%2Btan%5E2a%29)
(cos^2a+1/2sin2a)/(sin^2a+cos^2a)怎么化简成(1+tana)/(1+tan^2a)
(cos^2a+1/2sin2a)/(sin^2a+cos^2a)怎么化简成(1+tana)/(1+tan^2a)
(cos^2a+1/2sin2a)/(sin^2a+cos^2a)怎么化简成(1+tana)/(1+tan^2a)
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对不起,高中数学,公式不记得了,太久远了