Answer:
B. 0.69
Step-by-step explanation:
Law of Cosines: cos A = (b² + c² - a²) / 2bc
cosθ = (7² + 11² - 8²) / 2*7*11 = 106/154 = 0.688 ≈ 0.69
Answer: jnj njnjnjknkjkjnkjnkjn
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Step-by-step explanation:
8.9 really hope this helps little bro
Answer:
I think it's a c and d sorry if I'm wrong