sin θ = 1/Cosec θ
Cosec θ = 1/sin θ
Cos θ = 1/sec θ
sec θ = 1/cos θ
tan θ = 1/cot θ
cot θ = 1/tan θ
更新:20210423 104229
|
 |
发布时间：2020-12-12 14:42:42 作者：冬青好
sin θ = 1/Cosec θ
Cosec θ = 1/sin θ
Cos θ = 1/sec θ
sec θ = 1/cos θ
tan θ = 1/cot θ
cot θ = 1/tan θ
更新:20210423 104229.
