GCSE Maths

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Author:
Anonymous
ID:
213212
Filename:
GCSE Maths
Updated:
2013-04-13 10:17:27
Tags:
cosine sine rules
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Description:
revision
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  1. for the sine rule when finding angle
    flip to make easier
  2. for sine rule to find out obtuse angle you do
    180 - angle from calculator
  3. cosine rule - cos A =
    • b2 + c2 + - a2
    • -----------------
    •        2bc
  4. two angles given + any side
    sine
  5. two side + and angle not enclosed by them
    sine
  6. two sides given + the angle enclosed by them
    • cosine 
    • a2 = .....
  7. all three sides given but no angles
    • cosine 
    • cos A ....
  8. functions find gf(x)
    g = 10/x + 2
    f = 3x - 2
    g(3x - 2)

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