1
Q
tan = sin/x
A
tan = sin/cos
2
Q
tan = x/cos
A
tan = sin/cos
3
Q
cos (tan) = x
A
cos (tan) = sin
4
Q
cot = cos/x
A
cot = cos/sin
5
Q
cot = x/sin
A
cot = cos/sin
6
Q
cot (sin) = x
A
cot (sin) = cos
7
Q
sin (csc) = x
A
sin (csc) = 1
8
Q
sin = 1/x
A
sin = 1/csc
9
Q
cos (sec) = x
A
cos (sec) = 1
10
Q
cos = 1/x
A
cos = 1/sec
11
Q
tan (cot) = x
A
tan (cot) 1
12
Q
tan = 1/x
A
tan = 1/cot
13
Q
sin^2 + cos^2 = x
A
sin^2 + cos^2 = 1
14
Q
1 - cos^2 = x
A
1 - cos^2 = sin^2
15
Q
1 - sin^2 = x
A
1 - sin^2 = cos ^2
16
Q
cot^2 + 1 = x
A
cot^2 + 1 = csc^2
17
Q
csc^2 - 1 = x
A
csc^2 - 1 = cot^2
18
Q
cot^2 + 1 = x
A
cot^2 +1 = csc^2
Trig Identities
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