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Web The Law Of Cosine Helps In Establishing A Relationship Between The Lengths Of Sides Of A Triangle And The Cosine Of Its Angles.
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Web 2 write the cosine rule to find the angle. 4 use cos−1 to find the angle. Round your answers to the nearest tenth.
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1) Find Ac 24 A C B 118° 22° 14 2) Find Ab 7 C A B 53°.
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