Answer:
θ = 50.3⁰
Step-by-step explanation:
Using Trigonometric ratio (SOH CAH TOA),
sin θ = opposite / hypotenuse
sin θ = 10 / 13
sin θ = 0.7692
θ = arcsin (0.7692)
θ = 50.2849⁰
θ = 50.3⁰ to the nearest tenth.
Therefore, she should navigate 50.3⁰ to Island C.
