4x 11. If the central angle is radians, what should the radius of a circle be to make the arc 3 length 1 m? a. 0.424 m b. 0.238 m a. b. 12. 3x sin 5% COS 4 c. 2.356 m d. 4.188 m Which of the following does not have the same absolute value as the others? C. X sin d. sec

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