Formula Flashcards
1
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what are combinations and permutations?
A
- combinations are where order does not matter
- permuations are where the order does matter (permutations-positions)
2
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What is the formula relating sin and cos?
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3
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What is the formula for the sum of an arithmetic sequence?
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4
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What is the formula for the sum of an geometric sequence?
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5
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What is the cosine rule angle formula?
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66
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what is the formula for permuations with repetitions?
you can choose the same option twice
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67
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what is the formula for permuations not with repetions?
you cannot choose the same option twice
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68
Q
what is the formula for combinatorics with repetion?
you can choose the same option more than once like ice cream
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69
Q
what is the formula for combinatorics without repetiton?
you can’t choose the same option more than once
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