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NIMCET 2011 Question Paper with solutions
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© examsnet.com
Question : 5
Total: 120
The value of
1
−
tan
2
15
∘
1
+
tan
2
15
∘
is
1
√
3
√
3
2
2
Validate
Solution:
∴
1
−
tan
2
15
∘
1
+
tan
2
15
=
cos
2
15
∘
−
sin
2
15
∘
cos
2
15
∘
+
sin
2
15
∘
=
cos
30
∘
1
=
√
3
2
© examsnet.com
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