Please help with this problem see image
Question
Answer:
Using Cosine Rule:5² = 7² + 6² - 2(7)(6) cos(F)
25 = 85 - 84cos(F)
84 cos(F) = 60
cos(F) = 5/7
F = cos⁻¹(5/7)
F = 44°
Answer: 44°
solved
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5 months ago
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