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UPSC NDA 2 2012 Mathematics Paper
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© examsnet.com
Question : 34
Total: 120
What is
tan
(
−
585
∘
)
equal to?
1
−
1
−
√
2
−
√
3
Validate
Solution:
tan
(
−
585
∘
)
=
tan
(
−
585
∘
+
2
×
360
∘
)
=
tan
(
−
585
∘
+
720
∘
)
=
tan
135
∘
=
−
tan
45
∘
=
−
1
© examsnet.com
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