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Byju's Answer
Standard X
Mathematics
Range of Trigonometric Ratios from 0 to 90 Degrees
Evaluate : 3...
Question
Evaluate :
3
tan
2
30
∘
+
tan
2
60
∘
+
cosec
30
∘
−
tan
45
∘
cot
2
45
∘
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Solution
Given that
3
tan
2
30
∘
+
tan
2
60
∘
+
cosec
30
∘
−
tan
45
∘
cot
2
45
∘
=
3
(
1
√
3
)
2
+
(
√
3
)
2
+
(
2
)
−
1
(
1
)
2
=
1
+
3
+
2
−
1
=
5
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0
Similar questions
Q.
Evaluate:
=
3
tan
2
30
∘
+
tan
2
60
∘
+
cos
e
c
30
∘
−
tan
45
∘
cot
2
45
∘
Q.
Evaluate
tan
2
60
∘
+
4
cos
2
45
∘
+
3
sec
2
30
∘
+
5
cos
2
90
∘
c
o
s
e
c
30
∘
+
sec
60
∘
−
cot
2
30
∘
Q.
Evaluate each of the following :
tan
2
60
∘
+
4
cos
2
45
∘
+
3
sec
2
30
∘
+
5
cos
2
90
∘
cosec
30
∘
+
sec
60
∘
−
cot
2
30
∘
Q.
Evaluate each of the following :
tan
45
∘
cosec
30
∘
+
sec
60
∘
cot
45
∘
−
5
sin
90
∘
2
cos
0
∘
Q.
If
x
s
i
n
45
∘
c
o
s
2
60
∘
=
t
a
n
2
60
∘
c
o
s
e
c
30
∘
s
e
c
45
∘
c
o
t
2
30
∘
, then x =
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Standard X Mathematics
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