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Problem
Problem
Solve the equation
1
+
2
cosec
x
=
−
sec
2
x
2
2
1 + 2 \operatorname{cosec} x = \frac{-\sec^2 \frac{x}{2}}{2}
1
+
2
cosec
x
=
2
−
s
e
c
2
2
x
.
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