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Math · Trigonometry
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core: 0 of 1 pt HW Score: 82.22%, 12.33 of 15 pts 5 of 15 (14 complete Y E Question Help 9.3.59 Show that the length d of a chord of a circle of radius r is given by the formula d-2rsin where e is the central angle formed by the radiito the ends of the chord. See the figure. Use this result to derive the fact that sin 0 0, where e 0 is measured in radians. While multiple methods can be used to prove that d 2 Sin we will use the Law of Cosines for this problem. Substitute the appropriate values into the formula for the Law of Cosines C2 a2, bi 2ab cos c (D (D cos (D

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