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Byju's Answer
Standard XII
Mathematics
Circular Measurement of Angle
cosec -1410.
Question
c
o
s
e
c
(
−
1410
)
.
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Solution
Here, we have,
θ
=
1410
also,
θ
=
2
n
π
+
α
where
n
=
[
θ
2
π
]
n
=
[
−
1410
2
(
180
)
]
=
−
4
So,
α
=
−
2
n
π
+
θ
=
−
2
(
−
4
)
(
180
)
+
(
−
1410
)
α
=
30
So,
c
o
s
e
c
(
θ
)
=
c
o
s
e
c
(
2
n
π
+
α
)
=
c
o
s
e
c
α
=
c
o
s
e
c
(
30
)
=
c
o
s
e
c
30
c
o
s
e
c
(
−
1410
)
=
2
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