Further Math Stuff
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30 Terms
1
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Equation for a circle with center (a,b) and radius r
(x-a)2 + (y-b)2 = r2
2
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tanθ
sinθ / cosθ
3
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sin2 θ + cos2 θ
1
4
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Identity Matrix
1 0
0 1
5
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Reflection in x-axis
1 0
0 -1
6
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Reflection in y-axis
-1 0
0 1
7
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Reflection in y=x
0 1
1 0
8
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Rotation 90 clockwise
0 1
-1 0
9
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Rotation 90 anticlockwise
0 -1
1 0
10
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Rotation 180
-1 0
0 -1
11
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Rotation 270 clockwise
0 -1
1 0
12
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Rotation 270 anti-clockwise
0 1
-1 0
13
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dy / dx = 0
stationary
14
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dy / dx > 0
increasing
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dy / dx < 0
decreasing
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d2y / dx2 > 0
gradient is increasing
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d2y / dx2 < 0
gradient is decreasing
18
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d2y / dx2 <0
maximum
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d2y / dx2 > 0
minimum
20
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sin90
1
21
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sin60
√3 / 2
22
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sin30
1/2
23
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sin45
√2 / 2
24
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cos90
0
25
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cos45
√2 /2
26
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cos30
√3 / 2
27
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cos60
1/ 2
28
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tan30
√3 /3
29
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tan60
√3
30
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tan45
1
Note 
Flashcards (35)