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Posted: **Thu Jun 30, 2022 9:33 pm**

: 21 9 Use The Contour In Figure 21 4 C To Show That 5 0 By Letting R X Iy E E 0 Sin X Dx X Iy X 2x N Cos 1 (34.57 KiB) Viewed 42 times

21.9. Use the contour in Figure 21.4(c) to show that - 5²0 by letting R→→∞. -X+iY -E E 0 sin(x²) dx = = X+iY X 2x/n cos(x²) dx R R [k 100 V8 π/4 R (a) (b) (c) Figure 21.4: (a) The contour used for sin x/x. (b) The contour used for 1/(1+x"). (c) The contour used for sin(x²).