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10 Cards in this Set
- Front
- Back
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cos (x + y) = ? |
cos x cos y - sin x sin y |
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cos (x - y) = ? |
cos x cos y + sin x sin y |
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sin (x + y) = ? |
sin x cos y + cos x sin y |
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sin (x - y) = ? |
sin x cos y - cos x sin y |
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tan (x + y) = ? |
tan x + tan y/ 1 - tan x tan y |
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tan (x - y) = ? |
tan x - tan y / 1 + tan x tan y |
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sin (x + y) sin (x - y) |
sin^2 x - sin^2 y |
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cos (x + y) cos (x - y) |
cos^2 x - cos^2 y |
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cot (x - y) = ? |
cot x cot y + 1/ cot x - cot y |
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cot (x + y) = ? |
cot x cot y - 1 / cot x + cot y |
