1
Q
sin
A
v/r
2
Q
cos
A
u/r
3
Q
tan
A
v/u
4
Q
cotan
A
u/v
5
Q
csc
A
r/v
6
Q
sec
A
1/cos
7
Q
cot x
A
1/tanx
8
Q
csc x
A
1/sin x
9
Q
sec x
A
1/cos x
10
Q
tan x cot x
A
1
11
Q
sin x csc x
A
1
12
Q
cos x sec x
A
1
13
Q
tan x
A
sin x/ cos x
14
Q
cot x
A
cos x/sin x
15
Q
tan x
A
sec x/csc x
16
Q
cot x
A
csc x/sec x
17
Q
cos^2 x + sin^2 x
A
1
18
Q
1+ tan^2 x
A
sec^2 x
19
Q
cot^2 x + 1
A
csc^2 x
Pre- Calculus
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