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H. Solution of triangles using trigonometry, including the sine and cosine rules
There will not be time in your A Level course to learn trigonometry from the start. Make sure you know the sine and cosine rule formulas and the formula for the area of a triangle. These will not be given in the book of Mathematical Formulae and Statistical Tables provided in the AS/A2 examination.

H1: Triangles and trigonometry Similarity of triangles Right-angled triangles
The sine function
The cosine function
The tangent function
Trigonometry in right-angled triangles
   
H2: Solving triangles Find the angle
Find the side
Bearings
Calculate the area of a triangle
   
H3: The sine and cosine rules The sine rule
The cosine rule.
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