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The area enclosed by the curve y=sqrt(4-...

The area enclosed by the curve `y=sqrt(4-x^2),ygeqsqrt(2)sin((xpi)/(2sqrt(2)))` , and the x-axis is divided by the y-axis in the ratio.
(a) `(pi^2-8)/(pi^2+8)`
(b) `(pi^2-4)/(pi^2+4)`
(c)`(pi-4)/(pi-4)`
(d) `(2pi^2)/(2pi+pi^2-8)`

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