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Problem
Problem
The number of solutions of
cot
(
5
π
sin
θ
)
=
tan
(
5
π
cos
θ
)
\cot(5\pi \sin \theta) = \tan(5\pi \cos \theta)
cot
(
5
π
sin
θ
)
=
tan
(
5
π
cos
θ
)
,
∀
θ
∈
(
0
,
2
π
)
\forall \theta \in (0, 2\pi)
∀
θ
∈
(
0
,
2
π
)
is a. 7 b. 14 c. 21 d. 28
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