Consider the region R enclosed by all of the curves y = sinx, y = cos x, x = π/2, and x = π. Which of the following expressions DOES NOT compute the volume of the solid obtained by rotation R around the y-axis? ** 272 (sin r — cos x) da [₁π (7² - (cos-¹(y))²) dy + - S. ²7 π ((s ((sin`¹ (y))²-7²) dy ₁7 ((sin-¹({3))² – (cos-¹(3)²) dy 2m2 (sin a) dz + ₁ = ((sin=-¹(y))² - ) dy dx 4

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