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17 Cards in this Set

  • Front
  • Back
secO
1/cos0
cscO
1/sinO
cotO
1/tanO
tanO
sinO/cosO
cotO
1/tanO
sin(-x)
-sinx
cos(-x)
cosx
tan(-x)
-tanx
Three Pythagorean Identities
cos2O+sin2O=1

1+tan2O=sec2O

cot2O+1=csc2O
Cofunciton Identities
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
Addition and Subtraction Identities
six long equations
sin(s+t)=
sin s cos t + sin t cos s
sin(s-t)=
sin s cos t - sin t cos s
cos(s+t)=
cos s x cos t - sin s sin t
cos(s-t)
cos s cos t + sin s sin t
tan(s+t)=
tan s + tan t
__________

1 - tan s tan t
tan(s-t)=
tan s - tan t
____________

1 + tan s tan t