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Standard IX
Mathematics
Question
If
3
sin
2
30
o
+
2
tan
2
60
∘
−
5
cos
2
45
∘
is
4
m
4
then,
m
is
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Solution
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3
sin
2
30
∘
+
2
tan
2
60
∘
−
5
cos
2
45
∘
=
3
(
1
2
)
2
+
2
(
√
3
)
2
−
5
(
1
√
2
)
2
=
3
4
+
6
−
5
2
=
3
+
24
−
10
4
=
17
4
=
4
1
4
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Similar Questions
Q1
If
3
sin
2
30
o
+
2
tan
2
60
∘
−
5
cos
2
45
∘
is
4
m
4
then,
m
is
View Solution
Q2
What is the value of
3
sin
2
30
∘
+
2
tan
2
60
∘
−
5
cos
2
45
∘
?
View Solution
Q3
The value of
2
tan
2
60
∘
−
4
cos
2
45
∘
−
3
sec
2
30
∘
is
View Solution
Q4
If equation
x
2
−
(
2
+
m
)
x
+
(
m
2
4
m
+
4
)
=
0
has coincident roots then:
View Solution
Q5
If
4
m
+
2
×
2
−
4
=
2
4
, then
m
=
View Solution