Question: In ABC, AB = (x 3) cm, BC = (x + 3) cm, AC = 8 cm and BAC = 60. Use the cosine

In △ABC, AB = (x − 3) cm, BC = (x + 3) cm, AC = 8 cm and ∠BAC = 60°. Use the cosine rule to find the value of x.

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To find the value of x in ABC using the cosine rule we can use the formula cosC a2 b2 c2 2ab where ... View full answer

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