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CBSE XI
>>
Math
>>
Trigonometric Functions
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Q)
Find the principal and general solution for the equation
c
o
s
e
c
x
=
−
2
(
A
)
7
π
6
,
11
π
3
,
x
=
n
π
+
(
−
1
)
n
7
π
6
(
B
)
7
π
3
,
2
π
3
,
x
=
n
π
+
(
−
1
)
n
π
2
(
C
)
π
5
,
4
π
5
,
x
=
n
π
+
(
−
1
)
n
π
5
(
D
)
π
7
,
4
π
7
,
x
=
n
π
+
(
−
1
)
n
π
7
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