The correct evaluation of \[\int_{0}^{\pi /2}{\left| \,\sin \left( x-\frac{\pi }{4} \right)\, \right|\,dx}\] is [MP PET 1993]

The correct evaluation of \[\int_{0}^{\pi /2}{\left| \,\sin \left( x-\

1.	The correct evaluation of \[\int_{0}^{\pi /2}{\left\| \,\sin \left( x-\frac{\pi }{4} \right)\, \right\|\,dx}\] is [MP PET 1993]
A.	\[2+\sqrt{2}\]
B.	\[2-\sqrt{2}\]
C.	\[-2+\sqrt{2}\]
D.	0
Answer» C. \[-2+\sqrt{2}\]

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The correct evaluation of \[\int_{0}^{\pi /2}{\left| \,\sin \left( x-\frac{\pi }{4} \right)\, \right|\,dx}\] is [MP PET 1993]

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