摘要：
Math.tan(Double d) : 求角度的Tan值 Double angle = 30 Double radians = angle *(Math.PI / 180) Double result = Math.Tan(radians)Math.atan(Double d): 根据值来求角度 radians = Math.Atan(result) angle = radians *(180 / Math.PI)Math.atan2(y, x) ：依据坐标来求角度 阅读全文
posted @ 2011-08-12 09:45 zhangweia 阅读(437) 评论(0) 推荐(0) 编辑