Mathematics, 27.12.2020 03:00 Alex4530

Using the law of cosines (c² = a² + b² - 2abcosC), solve for cosC. (Rewrite the equation so that you have cosC isolated on one side of the equation.)

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Using the law of cosines (c² = a² + b² - 2abcosC), solve for cosC. (Rewrite the equation so that you...