
The curve shown in Figure 1 has polar equation
At the point on
, the value of
is
The point lies on the initial line and
is perpendicular to the initial line.
The finite region shown shaded in Figure 1, is bounded by the curve
, the initial line and the line
.
Find the exact area of the shaded region , giving your answer in the form
where
and
are rational numbers to be found.
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