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Standard XII
Mathematics
Question
If
x
=
20
∘
, evaluate :
12
sin
3
x
2
cos
3
x
+
5
tan
(
2
x
+
5
∘
)
−
3
cot
2
3
x
.
7
3
9
10
A
9
B
10
C
7
D
3
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Solution
Verified by Toppr
12
sin
3
x
2
cos
3
x
+
5
tan
(
2
x
+
5
∘
)
−
3
cot
2
3
x
Put
x
=
20
∘
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8
Similar Questions
Q1
If
x
=
20
∘
, evaluate :
12
sin
3
x
2
cos
3
x
+
5
tan
(
2
x
+
5
∘
)
−
3
cot
2
3
x
.
View Solution
Q2
If
x
=
15
0
, evaluate:
12
sin
3
x
cos
3
x
+
5
tan
(
2
x
+
15
0
)
−
3
cot
2
3
x
View Solution
Q3
Evaluate:
(
i
)
3
7
+
−
4
9
−
−
11
7
−
7
9
(
i
i
)
2
3
+
−
4
5
−
1
3
−
2
5
(
i
i
i
)
4
7
−
−
8
9
−
−
13
7
+
17
9
View Solution
Q4
Evaluate:
1
7
9
+
1
5
3
View Solution
Q5
Evaluate :
∫
s
i
n
x
c
o
s
x
2
c
o
s
3
x
2
d
x
View Solution