Question: O ADDITIONAL TOPICS IN TRIGONOMETRY Solving a word problem using the law of cosines kwants to know the length of a tunnel built through a

O ADDITIONAL TOPICS IN TRIGONOMETRY Solving a word problem using the

O ADDITIONAL TOPICS IN TRIGONOMETRY Solving a word problem using the law of cosines kwants to know the length of a tunnel built through a mountain To urements to find the length of the tunnel

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