Answer:
1. Law of Cosines
2. a2 = b2 + c2 – 2bc cos α
Step-by-step explanation:
2.Formulas. As per the cosines law formula, to find the length of sides of triangle say △ABC, we can write as; a2 = b2 + c2 – 2bc cos α.
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Answer:
1. Law of Cosines
2. a2 = b2 + c2 – 2bc cos α
Step-by-step explanation:
2.Formulas. As per the cosines law formula, to find the length of sides of triangle say △ABC, we can write as; a2 = b2 + c2 – 2bc cos α.