Question

Question 1 (10 points)

Which of the following is a valid equation that can be used to solve for x in the diagram?

Answer 1

C. Tan 40 = 60/x

Explanation:

Reference angle = 40°

Opposite side to reference angle = 60

Adjacent side = x

Apply trigonometric function TOA,

Tan 40 = Opp/Adj

Tan 40 = 60/x