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18 Cards in this Set
- Front
- Back
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Law of sines |
sinA/a = sinB/b = sinC/c |
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Law of cosines |
a^2 = b^2 + c^2 - 2bc cosA |
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sin(2x) = |
2sinxcosx |
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cos(2x) = |
cos^2x - sin^2x 2cos^2x - 1 1 - 2sin^2x |
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sinx |
domain: all real numbers range: - 1, 1 |
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cos |
domain: all real numbers range: - 1,1 |
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tan |
domain: all real numbers except for pi/2 + kpi range: all real numbers |
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cot |
domain: all real numbers except for Kpi range: all real numbers |
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sec |
domain: all real numbers except for pi/2 + Kpi range: (-infinity, - 1] U [1, infinity) |
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csc |
domain: all real numbers except kpi range: (-infinity , -1] U [1 , infinity) |
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arcsin |
domain: (-1, 1) range: [-pi/2, pi/2] |
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arccos |
domain: - 1,1 range: [0, pi] |
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arctan |
domain: all real numbers range: [-pi/2, pi/2] |
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amplitude of functions |
y= asin(x) or y= acos(x) amplitude = a |
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period of functions |
y= sin b (x) period = original period /b |
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S (arc length) |
= θR |
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area of sector |
= 1/2θ(R)^2 |
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tan(A+B) |
(tana + Tabb) /(1- tanAtanB) |
