Given a triangle ABC, which among the following shows the Laws of Cosine? * i. (AC)? = (AB)² + (BC)² – 4 (AB) (BC) cos A ii. (BC)? = (AB)² + (AC)² – 4(AB) (AC) cos B (BC) +(AC)²-(AB)² iii. cos C = (АC( ВС) O i and ii O ii and i O i and iii O i, ii, and i

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A: Topic = Trigonometry

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