acos() - Return the value of Cosine in Java

 
import java.lang.Math.*;
class Democos
{

public static void main(String args[])
{
float v= -1.0f;
do{
System.out.println("Arc cosine of "+v+"is" + Math.acos(v));
v += 0.1;
}while(v <= 0.1);
}
}


Output:
Arc cosine of -1.0is3.141592653589793
Arc cosine of -0.9is2.6905657870965607
Arc cosine of -0.79999995is2.4980914653236534
Arc cosine of -0.6999999is2.3461937232498182
Arc cosine of -0.5999999is2.2142973163788966
Arc cosine of -0.4999999is2.0943949991549253
Arc cosine of -0.39999992is1.9823130818147876
Arc cosine of -0.29999992is1.8754888995828563
Arc cosine of -0.19999993is1.772154174584745
Arc cosine of -0.09999993is1.6709636745729273
Arc cosine of 7.301569E-8is1.5707962537792053
Arc cosine of 0.100000076is1.470628829254561