Flashcards
Other triangle formulae - no right angles
Cards in this deck (4)
- 1Sine rule\[\frac{a}{\sin{A}} = \frac{b}{\sin{B}}\]
- 2Cosine rule\[a^2 = b^2 + c^2 - 2bc\cos{A}\]
- 3Area of a triangle\[Area = \frac{1}{2}bh=\frac{1}{2}ab\sin{C}\]
- 4When to use: 1. Sine rule 2. Cosine ruleSine rule
Two sides and an angle - need an angle
OR
Two angles and a side - need a side
Cosine rule
Two sides and an angle - need a side
OR
All three sides - need an angle
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- A level OCR A level Maths (Trigonometry) Flashcards on Other triangle formulae - no right angles, created by James Norman on 28/05/2019.
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- James Norman
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