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Problem
Problem
The least value of
a
a
a
for which the equation,
4
sin
x
+
1
1
−
sin
x
=
a
\frac{4}{\sin x} + \frac{1}{1 - \sin x} = a
s
i
n
x
4
+
1
−
s
i
n
x
1
=
a
has at least one solution on the interval
(
0
,
π
/
2
)
(0, \pi/2)
(
0
,
π
/2
)
is .....
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