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Standard XII
Mathematics
Question
If
cos
2
60
∘
+
sec
2
30
∘
+
tan
2
45
∘
is
m
7
12
, then
m
is:
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Solution
Verified by Toppr
cos
2
60
∘
+
sec
2
30
∘
+
tan
2
45
0
=
(
1
2
)
2
+
(
2
√
3
)
2
+
1
2
=
1
4
+
4
3
+
1
=
3
+
16
+
12
12
=
31
12
=
2
7
12
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Similar Questions
Q1
If
cos
2
60
∘
+
sec
2
30
∘
+
tan
2
45
∘
is
m
7
12
, then
m
is:
View Solution
Q2
Find the value of
cos
2
60
∘
+
sec
2
30
∘
+
tan
2
45
∘
?
View Solution
Q3
cos
2
60
0
+
sec
2
30
0
+
tan
2
45
0
=
m
7
12
Then
m
is
View Solution
Q4
If
tan
2
30
∘
+
tan
2
45
∘
+
tan
2
60
∘
is
m
1
3
, then
m
is:
View Solution
Q5
If tan
2
45° − cos
2
30° = x sin 45° cos 45°, then x =
(a) 2
(b) −2
(c)
-
1
2
(d)
1
2