Trig identities > Pythagorean > Flashcards
sin^2(x)+cos^2(x)
1
sin^2(x)
1-cos^2(x)
cos^2(x)
1-sin^2(x)
tan^2(x) - sec^2(x)
-1
sec^2(x)
1+tan^2(x)
csc^2(x)
1+cot^2(x)