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JHS AP Pre-Calculus
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13 Terms
1
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sin²x + cos²x
1
2
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1 + tan²x
sec²x
3
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1 + cot²x
csc²x
4
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sin(-x)
-sin x
5
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cos(-x)
cos x
6
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tan(-x)
-tan x
7
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csc(-x)
-csc x
8
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sec(-x)
sec x
9
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cot(-x)
-cot x
10
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sin(a ± b)
sin a cos b ± cos a sin b
11
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cos(a ± b)
cos a cos b ∓ sin a sin b
12
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sin(2x)
2 sin x cos x
13
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cos(2x)
cos²x − sin²x
1 − 2 sin²x
2 cos²x − 1
Note 
Flashcards (100)