搜索结果: 1-1 共查到“数学分析 Various observations”相关记录1条 . 查询时间(0.046 秒)
Various observations on angles proceeding in geometric progression
Various observations angles proceeding geometric progression
2010/12/1
Since a great many well known properties found about angles, or arcs,and the sines, cosines, tangents, cotangents, secants and cosecants of them have been derived from the consideration of arcs increa...