Week 17-Sine and Cosine Law

Those two different laws work for any triangle:

Sine Law (The Law of Sines): 

(for solving side lengths)

↓or

(for soving angles)

 

Cosine Law (The Law of Cosines):

(for solving side lengths)

↓or

 

(for solving angles)

How to use them?

Example 1- Calculate side c (Sine Law)

Example 2- Calculate side c (Cosine Law)

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