matlab中tan()与tand()的区别 2010-11-08 21:52阅读: http://blog.sina.cn/dpool/blog/u/1803419037 tan(用弧度表示的角) tand(用度表示的角) 示例 >> a=tan(pi/4) b=tand(45) a = 1.0000 b = 1.0000