clc // // // //Variable declaration lambdaa=5000*10**-8 //Wavelength invde=6000 //Diffraction element inverse //Calculations sinetheta1=lambdaa*invde sinetheta3=lambdaa*invde*3 theta1=(180/%pi)*(asin(sinetheta1)) theta3=(180/%pi)*(asin(sinetheta3)) deltheta=theta3-theta1 //Result printf("\n The Angular Difference is %2.1f Degrees",deltheta)