1
sinx
1/cscx
2
cosx
1/secx
3
tanx
1/cotx
4
cscx
1/sinx
5
secx
1/cosx
6
cotx
1/tanx
7
sin^2x + cos^2x
1
8
1 - cos^2x
sin^2x
9
1 - sin^2x
cos^2x
10
1 + tan^2x
sec^2x
11
sec^2x - tan^2x
1
12
sec^2x - 1
tan^2x
13
1 + cot^2x
csc^2x
14
csc^2x - 1
cot^2x
15
csc^2x - cot^2x
1