asin() - Return the Sine of value as a Argument in Java

//asin() - Return the Sine of value as a Argument 
import java.lang.Math.*;
class Demosin
{
public static void main(String args[])
{
float v= -1.0f;
do
{
System.out.println("Arc cosine of "+v+"is" + Math.asin(v));
v += 0.1;
}while(v <= 1.0);
}
}


Arc cosine of -1.0is-1.5707963267948966
Arc cosine of -0.9is-1.119769460301664
Arc cosine of -0.79999995is-0.9272951385287568
Arc cosine of -0.6999999is-0.7753973964549216
Arc cosine of -0.5999999is-0.6435009895840001
Arc cosine of -0.4999999is-0.5235986723600289
Arc cosine of -0.39999992is-0.411516755019891
Arc cosine of -0.29999992is-0.30469257278795964
Arc cosine of -0.19999993is-0.20135784778984833
Arc cosine of -0.09999993is-0.10016734777803066
Arc cosine of 7.301569E-8is7.301569127093905E-8
Arc cosine of 0.100000076is0.10016749754033559
Arc cosine of 0.20000008is0.201357999874188
Arc cosine of 0.30000007is0.3046927289945728
Arc cosine of 0.40000007is0.41151691760488823
Arc cosine of 0.50000006is0.5235988444238157
Arc cosine of 0.6000001is0.6435012131014168
Arc cosine of 0.7000001is0.7753976468445187
Arc cosine of 0.80000013is0.9272954365520083
Arc cosine of 0.90000015is1.119769870529091