Question: Problem 13: (first taught in lesson 56) Use a double-angle identity to find the exact value of this trig function. 12 sin 2 a if

Problem 13: (first taught in lesson 56) Use a double-angle identity

Problem 13: (first taught in lesson 56) Use a double-angle identity to find the exact value of this trig function. 12 sin 2 a if sina = 5 cosa = 13 13 After you enter your answer press GO. sin 2a = GO Playback

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