GCSE Maths

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)

Author

Anonymous

ID

213212

Card Set

GCSE Maths

Description

revision

Updated

2013-04-13T14:17:27Z

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