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Mathematics
Mathematics
Problem
The area under the curve
y
=
∣
cos
x
−
sin
x
∣
y = |\cos x - \sin x|
y
=
∣
cos
x
−
sin
x
∣
,
0
≤
x
≤
π
2
0 \le x \le \frac{\pi}{2}
0
≤
x
≤
2
π
, and above x-axis is : (1)
2
2
2\sqrt{2}
2
2
(2)
2
2
+
2
2\sqrt{2} + 2
2
2
+
2
(3) 0 (4)
2
2
−
2
2\sqrt{2} - 2
2
2
−
2
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