how to get degree value for sin 90 ?

Answer 1

package com.java2novice.math;

public class MySineEx {

public static void main(String a[]){

System.out.println("Value of sin(90) is: "+Math.sin(90));
System.out.println("Value of sin(45) is: "+Math.sin(45));
System.out.println("Value of sin(30) is: "+Math.sin(30));
}
}

Answer 2

but it gives answer in radians

Answer 3

1°=0.017radians
so
90°=0.017*90radians
=1.57