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0.5
-0.5
3.0
-3.0
32
12
1
23
43
13
53
2
3
0
712
812
9
912
17
37
27
cosecθ+cotθ
cosecθ-cotθ
cosecθ
cotθ
1cos A-tan A
Cos A - 1tanA
1cosA- 1tanA
cotA - tan A
-13
−1