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Problem
Problem
Solve the equation
cot
(
θ
2
)
−
cosec
(
θ
2
)
=
cot
θ
\cot\left(\frac{\theta}{2}\right) - \operatorname{cosec}\left(\frac{\theta}{2}\right) = \cot \theta
cot
(
2
θ
)
−
cosec
(
2
θ
)
=
cot
θ
.
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