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17 Cards in this Set
- Front
- Back
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secO
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1/cos0
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cscO
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1/sinO
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cotO
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1/tanO
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tanO
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sinO/cosO
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cotO
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1/tanO
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sin(-x)
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-sinx
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cos(-x)
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cosx
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tan(-x)
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-tanx
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Three Pythagorean Identities
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cos2O+sin2O=1
1+tan2O=sec2O cot2O+1=csc2O |
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Cofunciton Identities
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1. sin(pi/2 - u) = cosu
cos(pi/2 - u) =sinu 2. sec (pi/2-u) = cscu csc (pi/2 -u) = secu 3. tan(pi/2 -u) =cotu cot(pi/2 -u) =tanu |
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Addition and Subtraction Identities
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six long equations
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sin(s+t)=
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sin s cos t + sin t cos s
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sin(s-t)=
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sin s cos t - sin t cos s
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cos(s+t)=
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cos s x cos t - sin s sin t
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cos(s-t)
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cos s cos t + sin s sin t
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tan(s+t)=
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tan s + tan t
__________ 1 - tan s tan t |
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tan(s-t)=
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tan s - tan t
____________ 1 + tan s tan t |
