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UPSC NDA I 2013 Mathematics Paper
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© examsnet.com
Question : 17
Total: 120
If
c
o
s
e
c
θ
+
cot
θ
=
c
, then what is
cos
θ
equal to?
c
c
2
−
1
c
c
2
+
1
c
2
−
1
c
2
+
1
None of these
Validate
Solution:
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