ice In the shown triangle, a=27, b-43, and y=105. 1) Define a, b, and c as variables at the Command Window, 2) Using the law of cosines, calculate the length of side "c", (3) Using the law of cosines, calculate the angle "a". 105=r Law of Cosines: c² = a² + b? – 2 * a * b * cos(y) b2 + c2 - a? cos-1

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