Answer:
Step-by-step explanation:
The function you want to use is the sign function.
Formula
Sin(theta) = Opposite / hypotenuse
Givens
Solution
sin(5) = opposite / 120 Multiply both sides by 120
120 * sin(5) = opposite.
Sin(5) = 0.0872
120 * 0.0872 = opposite
10.4587 = opposite