(1.33)sin 25.0= (1.50)sin 0 0=?
Divide both sides by 1.5 to get..
1.33sin(25°)/1.5 = sin(θ)
Hence, by setting both sides by the inverse of sine...
arcsin(sin(θ)) = arcsin(1.33sin(25°)/1.5)θ ≈ 22.01°
I hope this helps!
