Acc. Pre Calc. Final

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12 Terms

1
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coordinates on unit circle

(cos,sin)

2
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arc sin

look at y coordinate in quadrants 1 or 4

3
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arc cos

look at x coordinate in quadrants 1 and 2

4
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arc tan

look at (y/x) or (cos/sin) in quadrants 1 and 4

5
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arithmetic sequence

add/subtract by a common difference (d)

6
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geometric sequence

multiply by a common ratio (R)

7
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recursive

term by term

8
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explicit

find any term

9
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series

add terms up

sum of sequence = series

10
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sequence

list of numbers

11
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for summations of infinite

there is a sum if 0<r<1 but no sum if if r ≥ 1 or r ≤ 0

12
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common ratio

2nd term/1st term