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Trigonometric Identities and Equations
Trigonometric Identities and Equations
14
Mathematics
11th Grade
02/09/2011
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Term
tanx
 Definition
sinx/cosx
Term
cotx
 Definition
cosx/sinx
Term
1
 Definition
sin2x + cos2x
Term
sec2x
 Definition
tan2x + 1
Term
sin2x
 Definition
1 - cos2x
Term
cos2x
 Definition
1 - sin2x
Term
sec2x
 Definition
tan2x + 1
Term
csc2x
 Definition
1 + cot2x
Term
cos(a-b)
 Definition
cosa cosb + sina sinb
Term
cos(a+b)
 Definition
cos a cos b - sin a sin b
Term
sin(a-b)
 Definition
sina cosb - cosa sinb
Term
sin(a+b)
 Definition
sina cosb + cosa sinb
Term
tan(a-b)
 Definition
tana - tanb / 1 + tana tanb
Term
tan(a+b)
 Definition
tana + tanb / 1 - tana tanb
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