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Final Exam (Math)
LSU Math 1022 Kurtz -- Formulas and Identities
15
Mathematics
Undergraduate 1
12/07/2010
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Term
sin(A+B)
 Definition
sinAcosB+cosAsinB
Term
sin(A-B)
 Definition
sinAcosB-cosAsinB
Term
cos(A+B)
 Definition
cosAcosB-sinAsinB
Term
cos(A-B)
 Definition
cosAcosB+sinAsinB
Term
tan(A+B)
 Definition
(tanA+tanB)/
(1-tanAtanB)
Term
tan(A-B)
 Definition
(tanA-tanB)/
(1+tanAtanB)
Term
sin(2theta)
 Definition
2sin(theta)cos(theta)
Term
cos(2theta) #1
 Definition
cos^2(theta)-sin^2(theta)
Term
cos(2theta) #2
 Definition
1-2sin^2(theta)
Term
cos(2theta) #3
 Definition
2cos^2(theta)-1
Term
tan(2theta)
 Definition
(2tan(theta))/
(1-tan^2(theta))
Term
sin(A/2)
 Definition
+- rt((1-cosA)/2)
Term
cos(A/2)
 Definition
+- rt((1+cosA)/2)
Term
tan(A/2) #1
 Definition
(1-cosA)/
sinA
Term
tan(A/2) #2
 Definition
(sinA)/
(1+cosA)
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