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Unformatted text preview: But sine is nega±ve in quadrant 4 (xis nega±ve) Therefore, sin(θ) = 3/5 4. DeFne the following for a sinusoidal graph in general. a. Amplitude= The amplitude is the distance from the "res±ng" posi±on (otherwise known as the mean value or average value ) of the curve. b. Period = The period of sine and cosine equa±ons relates to how o²en the graph goes a full repe±±on around the unit circle. The period is how long it takes for sine or cosine to return to the same place. c. Phase Shi² = Phase shif is any change that occurs in the phase of one quan±ty, or in the phase di³erence between two or more quan±±es. 5. Given the func±on 3sin2 y x a. ´ind the amplitude. Can’t Fgure out how to # 5 & 6 b. ´ind the period. Page 2 y x 55 11 33 y x 55 11 33 Exercise 3.1 Zup i. Identfy The correcT graph from The following choices: ii. Page 3 y x 55 12 33 Exercise 3.1 Zup iii. 6. Determine the amplitude, period, and phase shif oF 2cos( 3) y x . Page 4...
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 Winter '14
 Math, Trigonometry, b. tan, Zup

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