GCSE MATHS

A* Aimed. Sine and Cosine Rule and examples, hope they help :)

Oh and let me know if have any good resources for maths please... a problem shared is a problem halved :) x

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Sine Rule

a / sin A  =  c / sin C          and            c / sin C  = b / sin B


sin A / a    =    sin B / b    =   sin C / c 

1 of 2

Cosine Rule

a²  =  b²  +  c²  - 2bc   cos A

2 of 2

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