Trigonometry

What law should be quoted in the question to find the 3rd side of a triangle if the other 2 sides and a angle is given?
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1 Answer

Law of Cosines, aka a^2=b^2*c^2-2(b)(c)cos(A) where a is the blank side, b and c are the known sides and A is the angle
by Level 2 User (1.0k points)

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