Explain the following “proof without words" of the law of cosines. (Source: Kung, Sidney H., “Proof Without Words: The Law of Co- sines," Mathematics Magazine, Vol. 63, no. 5, Dec. 1990, p. 342.) 2a cos 0 – b a a

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Q: Explain the following “proof without words” of the law of cosines. (Source: Kung, Sidney H., “Proof…

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Q: Explain the following “proof without words” of the law of cosines. (Source: Kung, Sidney H., “Proof…

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