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Trig Identities
Recip. Id, Ratio Id, Pyth Id, Negative Angle Id
28
Mathematics
11th Grade
05/06/2012
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Cards

Term
csc@
 Definition
1/sin@ Recip. Id
Term
sec@
 Definition
1/cos@ Recip. Id
Term
cot@
 Definition
1/tan@ Recip. Id
Term
tan@
 Definition
sin@/cos@ Ratio Id
Term
cot@
 Definition
cos@/sin@ Ratio Id
Term
cos^2@ + sin^2@=
 Definition
1 Pyth. Id
Term
sec^2@ - tan^2@=
 Definition
1 Pyth. Id
Term
csc^2@ - cot^2@=
 Definition
1 Pyth. Id
Term
sec^2@ - 1=
 Definition
tan^2@ Pyth. Id
Term
csc^2@ - 1
 Definition
cot^2@ Pyth. Id
Term
1 - cos^2@=
 Definition
sin^2@ Pyth. Id
Term
1 - sin^2@=
 Definition
cos^2@ Pyth. Id
Term
1 + tan^2@=
 Definition
sec^2@ Pyth. Id
Term
cot^2@ + 1=
 Definition
csc^2@ Pyth. Id
Term
sin (-@)=
 Definition
-sin@ Neg. Id
Term
cos (-@)=
 Definition
cos@ Neg. Id
Term
tan (-@)=
 Definition
-tan@ Neg.Id
Term
sin 2@=
 Definition
2sin@cos@ Double Angle Id
Term
tan 2@=
 Definition
2tan@/1 - tan@ Double Angle
Term
cos 2@=
 Definition
cos^2@ - sin^2@ Double Angle
Term
cos 2@=
 Definition
1 - @sin^2@ Double Angle
Term
cos 2@=
 Definition
2cos^2@ - 1 Double Angle
Term
sin (A + B)=
 Definition
sinAcosB Sum Id
Term
cos (A + B)=
 Definition
cosAcosB - sinAsinB Sum Id
Term
tan (A + B)=
 Definition
tanA + tan B/ 1 - tanAtanB Sum Id
Term
sin (A - B)=
 Definition
sinAcosB - cosAsinB Difference Id
Term
cos (A - B)=
 Definition
cosAcosB + sinAsinB Difference Id
Term
tan (A - B)=
 Definition
tanA - tanB/ 1 + tanAtanB Difference Id
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