(글콜) (콜을) (0,1) (플플) (물) 120 3 60 135" 4. 45 5m 150 6 30'금 (-1,0) (1,0) OF0 180, 210 11a 330. 6 7m (골을) 225. 315 4 (콜콜) 240 4n 300, 3 (글콜) G) (0.-1) 37 270'도 -1 a. b. LUS c. V tan150 d.
(글콜) (콜을) (0,1) (플플) (물) 120 3 60 135" 4. 45 5m 150 6 30'금 (-1,0) (1,0) OF0 180, 210 11a 330. 6 7m (골을) 225. 315 4 (콜콜) 240 4n 300, 3 (글콜) G) (0.-1) 37 270'도 -1 a. b. LUS c. V tan150 d.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.5: Product-to-sum And Sum-to-product Formulas
Problem 2E
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