Question

1. Give Sine Formula & Cosine Formula for a triangle ABc

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Answer 1

Step-by-step explanation:

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 b2 = a2 + c2 – 2ac cos β

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Answer 2

Answer:

2ac cos

Step-by-step explanation:

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