Using the cosine theorem we have:
C ^ 2 = A ^ 2 + B ^ 2 - 2 * A * B * cos (theta)
Substituting values we have:
x ^ 2 = 4 ^ 2 + 4.7 ^ 2 - 2 * 4 * 4.7 * cos (41)
Answer:
The equation to solve for x is:
x ^ 2 = 4 ^ 2 + 4.7 ^ 2 - 2 * 4 * 4.7 * cos (41)
option 3
