Java tan() 方法
Java 教程
· 2019-02-08 14:42:58
tan() 方法用于返回指定double类型参数的正切值。
语法
double tan(double d)
参数
d -- 任何原生数据类型。
返回值
返回指定double类型参数的正切值。
实例
public class Test{ public static void main(String args[]){ double degrees = 45.0; double radians = Math.toRadians(degrees); System.out.format("pi 的值为 %.4f%n", Math.PI); System.out.format("%.1f 度的正切值是 %.4f%n", degrees, Math.tan(radians)); } }
编译以上程序,输出结果为:
pi 的值为 3.1416 45.0 度的正切值是 1.0000
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