Trigonometric Identities Flashcards
1
Q
tan(x)
A
sin(x) / cos(x)
2
Q
sec(x)
A
1 / cos(x)
3
Q
cosec(x)
A
1 / sin(x)
4
Q
cot(x)
A
1 / tan(x) OR cos(x) / sin(x)
5
Q
sin^2x + cos^2x=
A
1
6
Q
1+tan^2x=
A
sec^2x
7
Q
1+cot^2x
A
cosec^2x