java arccos是什么，讓我們一起了解一下？

arccos是java中數(shù)學(xué)運(yùn)算的三角函數(shù)方法，cos() 三角余弦，通過編程Java代碼實(shí)現(xiàn)，常用的還有sin()為 三角正弦，tan() 三角正切，asin() 正弦的反函數(shù)，cos() 余弦的反函數(shù)，tan() 正切的反函數(shù)。

他的源代碼如下：

public?class?MainTest?{
????public?static?void?main(String[]?args)?{
????????//求sin值
????????double?sin?=?Math.sin(3.14);
????????System.out.println("sin3.14="?+?sin);
????????//求cos值
????????double?cos?=?Math.cos(0);
????????System.out.println("cos0="?+?cos);
????????//求tan值
????????double?tan?=?Math.tan(0.785);
????????System.out.println("tan0.785="?+?tan);
????????//求arcsin
????????double?arcsin?=?Math.asin(1);
????????System.out.println("arcsin1?=?"?+?arcsin);
????????//求arccos
????????double?arccos?=?Math.acos(1);
????????System.out.println("arccos?=?"?+?arccos);
????????//求arctan
????????double?arctan?=?Math.atan(30);
????????System.out.println("arctan30?=?"?+?arctan);
????????//求弧度
????????double?radians?=?Math.toRadians(180);
????????System.out.println("180度角的弧度為"?+?radians);
????????//求角度
????????double?angle?=?Math.toDegrees(3.141592653589793);
????????System.out.println("π的角度數(shù)為"?+?angle);
????????//求以e為底的指數(shù)
????????double?exp?=?Math.exp(1);
????????System.out.println("以e為底指數(shù)為1的數(shù)為"?+?exp);
????????//求以e為底e的平方的對(duì)數(shù)
????????double?log?=?Math.log(Math.E?*?Math.E);
????????System.out.println("以e為底e的平方的對(duì)數(shù)"?+?log);
????????//求以10為底100的對(duì)數(shù)
????????double?log10?=?Math.log10(100);
????????System.out.println("以10為底100的對(duì)數(shù)"?+?log10);
????????//求100的平方根
????????double?sqrt?=?Math.sqrt(100);
????????System.out.println("100的平方根是"?+?sqrt);
????????//求27的立方根
????????double?cbrt?=?Math.cbrt(27);
????????System.out.println("27的立方根是"?+?cbrt);
????????//求10除以3的余數(shù)
????????double?rest?=?Math.IEEEremainder(10,?3);
????????System.out.println("10除以3的余數(shù)為"?+?rest);
????????//求0.9向上取整
????????double?ceil?=?Math.ceil(0.9);
????????System.out.println("0.9向上取整"?+?ceil);
????????//求2.49向下取整
????????double?floor?=?Math.floor(2.49);
????????System.out.println("2.49向下取整"?+?floor);
????????//求最接近參數(shù)的整數(shù)值(若有兩個(gè)滿足條件的數(shù)據(jù)則取為偶數(shù)的數(shù)據(jù))
????????double?rint?=?Math.rint(3.5);
????????System.out.println("最接近參數(shù)的整數(shù)值"?+?rint);
????????//獲得(1,1)坐標(biāo)與x軸夾角度數(shù)
????????double?atan2?=?Math.atan2(1,?1);
????????System.out.println("坐標(biāo)(1,1)的極坐標(biāo)為"?+?atan2);
????????//求3的5次方
????????double?pow?=?Math.pow(3,?5);
????????System.out.println("3的5次方"?+?pow);
????????//4舍5入
????????double?round?=?Math.round(3.5);
????????System.out.println("3.5四舍五入為"?+?round);
????????//計(jì)算2<<5+3<<4(會(huì)拋出結(jié)果溢出異常)-------?2<<5:2乘以2的5次方?3<<4:3乘以2的4次方
????????int?sum?=?Math.addExact(2?<
輸出結(jié)果：
sin3.14=0.0015926529164868282
cos0=1.0
tan0.785=0.9992039901050427
arcsin1?=?1.5707963267948966
arccos?=?0.0
arctan30?=?1.5374753309166493
180度角的弧度為3.141592653589793
π的角度數(shù)為180.0
以e為底指數(shù)為1的數(shù)為2.718281828459045
以e為底e的平方的對(duì)數(shù)2.0
以10為底100的對(duì)數(shù)2.0
100的平方根是10.0
27的立方根是3.0
10除以3的余數(shù)為1.0
0.9向上取整1.0
2.49向下取整2.0
最接近參數(shù)的整數(shù)值4.0
坐標(biāo)(1,1)的極坐標(biāo)為0.7853981633974483
3的5次方243.0
3.5四舍五入為4.0
2<<5+3<<4=112
2<<5-3<<4=16
2<<5*3<<4=3072
2<<5+1?=?65
2<<5-1?=?63
2<<5的相反數(shù)是-64
65536
2<<5/2<<4=2
10/3的模=1
-52的絕對(duì)值=52
2<<5與3<<4相比,較大的數(shù)為64
2<<5與3<<4相比,較小的數(shù)為48
3乘5加4=19.0
以上就是小編今天的分享了，希望可以幫助到大家。