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Standard XII
Mathematics
Question
If
tan
2
30
∘
+
tan
2
45
∘
+
tan
2
60
∘
is
m
1
3
, then
m
is:
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Solution
Verified by Toppr
tan
2
30
∘
+
tan
2
45
∘
+
tan
2
60
∘
=
(
1
√
3
)
2
+
1
2
+
(
√
3
)
2
=
1
3
+
1
+
3
=
1
+
3
+
9
3
=
13
3
=
4
1
3
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Similar Questions
Q1
If
tan
2
30
∘
+
tan
2
45
∘
+
tan
2
60
∘
is
m
1
3
, then
m
is:
View Solution
Q2
Evaluate the following :
t
a
n
2
30
∘
+
t
a
n
2
60
∘
+
t
a
n
2
45
∘
View Solution
Q3
Evaluate each of the following
t
a
n
2
30
o
+
t
a
n
2
60
o
+
t
a
n
2
45
o
View Solution
Q4
If
x
cosec
2
30
°
sec
2
45
°
8
cos
2
45
°
sin
2
60
°
=
tan
2
60
°
-
tan
2
30
°
, then x =
(a) 1
(b) −1
(c) 2
(d) 0