/*

*来 自

N o w J a v a . c o m

*/

public class TrigonometricDemo {

public static void main(String[] args) {

double degrees = 45.0;

double radians = Math.toRadians(degrees);

System.out.format("The value of pi " + "is %.4f%n", Math.PI);

System.out.format("The sine of %.1f " + "degrees is %.4f%n",

degrees, Math.sin(radians));

System.out.format("The cosine of %.1f " + "degrees is %.4f%n",

degrees, Math.cos(radians));

System.out.format("The tangent of %.1f " + "degrees is %.4f%n",

degrees, Math.tan(radians));

System.out.format("The arcsine of %.4f " + "is %.4f degrees %n",

Math.sin(radians),

Math.toDegrees(Math.asin(Math.sin(radians))));//时代Java - nowjava.com

System.out.format("The arccosine of %.4f " + "is %.4f degrees %n",

Math.cos(radians),

Math.toDegrees(Math.acos(Math.cos(radians))));

System.out.format("The arctangent of %.4f " + "is %.4f degrees %n",

Math.tan(radians),

Math.toDegrees(Math.atan(Math.tan(radians))));

}

}

/*

* Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions

* are met:

*

* - Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

*

* - Redistributions in binary form must reproduce the above copyright

* notice, this list of conditions and the following disclaimer in the

* documentation and/or other materials provided with the distribution.

*

* - Neither the name of Oracle or the names of its

* contributors may be used to endorse or promote products derived

* from this software without specific prior written permission.

*

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

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