//Example 25.2
n1=1;//Index of refraction for air
theta1=30;//Incident angle (deg)
theta2=22;//Angle of refraction (deg)
n2=n1*sind(theta1)/sind(theta2);//Index of refraction for medium 2
printf('Index of refraction for medium 2 = %0.2f',n2)
//Openstax - College Physics
//Download for free at http://cnx.org/content/col11406/latest