Java cos() 方法
Java 教程
· 2019-02-08 14:26:52
cos() 方法用于返回指定double类型参数的余弦值。
语法
double cos(double d)
参数
d -- 任何原生数据类型。
返回值
返回指定double类型参数的余弦值。
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 度的余弦值为 %.4f%n", degrees, Math.cos(radians));
}
}
编译以上程序,输出结果为:
pi 的值为 3.1416 45.0 度的余弦值为 0.7071
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