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A Level; A Level Mathematics; Math problem solving; Maths help; trigonometry formula; A Level maths; mathematics; Problem solving; trigonometry; algebra and trigonometry; Pure Math; AS level; Maths practice; trig; equations
15/04/2011
A Level/Ages 16 and above
978-0-00-744390-1
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RRP £4.80
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Familiarise students with the trigonometry needed for Pure Maths A Level in this unit. There are four chapters which cover trigonometry in detail.

Detailed contents:

8 TRIGONOMETRY 1
Trigonometric functions
Sine, cosine and tangent
Transformation of trigonometric functions
Trigonometric equations
Graphical and calculator solutions
Wave models

10 TRIGONOMETRY 2
The sine rule
The cosine rule
The area of a triangle 1/2 bc sin A
Trigonometry in three dimensions

15 TRIGONOMETRY 3
Sectors: arc length and sector area
Reciprocal functions: cosec, sec and cot
Trigonometrical identities
Trigonometrical equations

26 TRIGONOMETRY 5
Compound-angle formulae: sin(A B), cos(A B), tan(A B)
Double angle formulae: sin 2A, cos 2A, tan 2A
Combining waves: a cos x b sin x R sin(x a) or R cos(x a)