SOLUTION: please help me thank you. solve for the unknown part. 8^2=7^2+14^2-2(7)(14)cosA
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Question 1085918: please help me thank you. solve for the unknown part. 8^2=7^2+14^2-2(7)(14)cosA
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
Solving for A:
radians (about 22.561 degrees)
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