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Byju's Answer
Standard XII
Mathematics
Parametric Form of a Straight Line
Area bounded ...
Question
Area bounded by the curve
y
=
1
and
y
=
sin
x
+
cos
x
+
|
sin
x
−
cos
x
|
2
in
x
∈
[
0
,
π
]
is
a
π
−
√
b
−
c
,
(where
a
,
b
,
c
are integers) then
a
+
b
+
c
is
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Solution
sin
x
+
cos
x
+
|
sin
x
−
cos
x
|
2
=
{
cos
x
,
x
∈
(
0
,
π
4
)
sin
x
,
x
∈
(
π
4
,
π
)
So,required area=
π
4
∫
0
(
1
−
cos
x
)
d
x
+
π
∫
π
4
(
1
−
sin
x
)
d
x
=
π
−
√
2
−
1
⇒
a
+
b
+
c
=
4
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