Trig identities equations - not in formula booklet Flashcards
1
Q
sin(2x)
A
2sin(x)cos(x)
2
Q
cos(2x)
A
cos^2(x) - sin^2(x)
2cos^2(x) -1
1-2sin^(x)
3
Q
tan(2x)
A
2tan(x) / 1-tan^2(x)
4
Q
sin^2(x) + cos^2(x)
A
1
5
Q
tan^2(x) + 1
A
sec^2(x)
6
Q
cot^2(x) + 1
A
cosec^2(x)
