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 Flashcards Matching Hangman Crossword Type In Quiz Test StudyStack Study Table Bug Match Hungry Bug Unscramble Chopped Targets

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# Basic Trig Ids

### Reciprocal/Quotient/Pythagorean/Cofunction/Even&Odd Identities

sin^2(x) + cos^2(x) 1
1 + cot^2(x) csc^2(x)
tan^2(x) + 1 sec^2(x)
sinx/cosx tanx
cosx/sinx cotx
1/cosx secx
1/sinx cscx
1/tanx cotx
1/secx cosx
1/cscx sinx
1/cotx tanx
cos(-x) cosx
sin(-x) -sinx
tan(-x) -tanx
sec(-x) secx
csc(-x) -cscx
cot(-x) -cotx
sin(90 - x) cosx
cos(90 - x) sinx
tan(90 - x) cotx
cot(90 - x) tanx
sec(90 - x) cscx
csc(90 - x) secx
1 - sin^2(x) cos^2(x)
1 - cos^2(x) sin^2(x)
csc^2(x) - cot^2(x) 1
csc^2(x) - 1 cot^2(x)
sec^2(x) - 1 tan^2(x)
sec^2(x) - tan^2(x) 1
sin(x - 90) sin[-(90 - x)] = -sin(90 - x) = -cosx
cos(x - 90) cos[-(90 - x)] = cos(90 - x) = sinx
tan(x - 90) tan[-(90 - x)] = -tan(90 - x) = -cotx
Created by: kiraglenn