sine (28) = opposite / hypotenuse =
0.46947 = opposite / 28
opposite = 0.46947 * 28
opposite side = 13.14516
cosine (28) = adjacent / hypotenuse =
0.88295 = adjacent / 28
adjacent = 28 * .88295
adjacent side = 24.7226
Double Check
13.14516^2 + 24.7226^2 = 28^2
172.7952314256
+
611.20695076
= 784
784.0021821856
= 784
Correct to 5 significant figures