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Unformatted text preview: cos 2 + sin 2 = 1 (1) Problem 2: Show that cos = e i + ei 2 (2) Problem 3: Show that sin = e iei 2 i (3) Problem 4: Derive the following trig identity from the above equations: d sin d = cos (4) Problem 5: Derive the following trig identity from the above equations: d cos d =sin (5) Textbook: Prob. 247 Textbook: Prob. 249 Textbook: Prob. 250 Textbook: Prob. 254...
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 Spring '08
 CHAN
 mechanics, Work

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