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Let I = Z π/2 0 cos2 (cos x) + sin2 (sin x) dx, J = Z π/2 0 cos2 (sin x) + sin2 (cos x) dx . Then (A) I
Let I = Z π/2 0 cos2 (cos x) + sin2 (sin x) dx, J = Z π/2 0 cos2 (sin x) + sin2 (cos x) dx . Then (A) I




