clear all; clc;
disp("Ex 4_5")
disp("u = 0.3841i - 0.5121j + 0.7682k")
a1=acos(0.3841)
a=a1*180/%pi
printf('\n\nalpha = %.1f degrees',a)
b1=acos(-0.5121)
b=b1*180/%pi
printf('\n\nbeta = %.0f degrees',b)
c1=acos(0.7682)
c=c1*180/%pi
printf('\n\ngamma = %.1f degrees',c)