GCSE Maths
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for the sine rule when finding angle
flip to make easier
for sine rule to find out obtuse angle you do
180 - angle from calculator
cosine rule - cos A =
b2 + c2 + - a2
-----------------
2bc
two angles given + any side
sine
two side + and angle not enclosed by them
sine
two sides given + the angle enclosed by them
cosine
a2 = .....
all three sides given but no angles
cosine
cos A ....
functions find gf(x)
g = 10/x + 2
f = 3x - 2
g(3x - 2)
Card Set Information
Author:
Anonymous
ID:
213212
Filename:
GCSE Maths
Updated:
2013-04-13 14:17:27
Tags:
cosine sine rules
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revision
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