摘要: 点击打开链接 思路:1.tan(a+b) = ( tan(a) + tan(b) ) / (1 – tan(a) * tan(b) )2.tan( atan(x) ) = xarctan(1/s) = arctan(1/u)+arctan(1/v)所以得1/s= tan( arctan(1/u)+a... 阅读全文
posted @ 2016-05-17 19:38 Code-dream 阅读(103) 评论(0) 推荐(0) 编辑