15.15 Applying Snells law at the airail interface,
rim-l. sln = rim-I smEU
Applying Snells law at the nilwater interface
n. sinflr = rim-I sin
yields 8' = 22.3
. . . - " 9
15.2!) m sin 31 = n; su
t14.1 y : 331 + y; = 3.00 ms {4.001 1.60%} + 41.00 sin {5.001 2.001] evaluated at the given x values.
{a} x = 1.00, r: 1.00 y = 3.00 ens {2.00 rad] + 4.00 sin {+3.00 rad}
0:0 3 = 1.00, r: 0.500 y =