Cosine and Sine Rule
- Created by: CerinaClocks
- Created on: 14-01-23 17:14
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To find the area of any triangle you do 1/2abSinC
Cosine Rule
The Cosine rule is used to find a length + an angle between two sides and when you have all the sides known but no angle what so ever.
The Cosine Rule is:
c^2 = a^2 + b^2 - 2abCosC
where the letter c is the side…
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