clear
//Given
a=52                                   //Degree
b=33                                    //Degree

//Calculation
//
u2=(sin(a*3.14/180.0))/(sin(b*3.14/180.0))
C=1/u2
A=asin(C)*180/3.14

//Result
printf("\n Angle of refrection is %0.1f  Degree",A)