Unformatted text preview: cos 2 θ + sin 2 θ = 1 (1) Problem 2: Show that cos θ = e iθ + eiθ 2 (2) Problem 3: Show that sin θ = e iθeiθ 2 i (3) Problem 4: Derive the following trig identity from the above equations: d sin θ dθ = cos θ (4) Problem 5: Derive the following trig identity from the above equations: d cos θ dθ =sin θ (5) Textbook: Prob. 247 Textbook: Prob. 249 Textbook: Prob. 250 Textbook: Prob. 254...
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 Spring '08
 CHAN
 mechanics, Work, Englishlanguage films, Elementary algebra, #, Mathematical Identities, eiθ, following trig identity

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