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AP ICET 2016 Paper
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© examsnet.com
Question : 128 of 200
Marks:
+1
,
-0
(
1
+
tan
95
°
)
(
1
+
tan
130
°
)
=
−
2
3
+
2
√
3
3
−
2
√
3
2
Validate
Solution:
95
°
+
130
°
=
180
°
+
45
°
∴
tan
(
95
°
+
130
°
)
=
tan
(
180
°
+
45
°
)
=
tan
45
°
=
1
Applying
tan
(
A
+
B
)
=
tanA
+
tanB
1
−
tanA
⋅
tanB
,
we get
tan
95
∘
+
tan
130
∘
1
−
tan
95
∘
tan
130
∘
=
1
tan
95
∘
+
tan
130
∘
=
1
−
tan
95
∘
tan
130
∘
⇒
tan
95
∘
+
tan
130
∘
+
tan
95
∘
tan
130
∘
=
1
(
1
+
tan
95
∘
)
+
tan
130
∘
(
1
+
tan
95
∘
)
=
1
+
1
(
1
+
tan
95
∘
)
(
1
+
tan
130
∘
)
=
2
© examsnet.com
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