Basic Identities Flashcards
0
Q
cos(-x)
A
cosx
1
Q
sin(-x)
A
-sinx
2
Q
tan(-x)
A
-tanx
3
Q
sin^2(x) + cos^2(x) =
A
1
4
Q
tan^2(x) + 1 =
A
sec^2(x)
5
Q
cot^2(x) + 1 =
A
csc^2(x)
6
Q
tanx =
A
sinx/cosx
7
Q
cotx =
A
cosx/sinx
8
Q
cscx =
A
1/sinx
9
Q
secx =
A
1/cosx
10
Q
cotx =
A
1/tanx
