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Unformatted text preview: 2500meter ride? 2. (4 points) Find the amplitude, period, phase shift (and the direction) and vertical shift of the following: a. y = 7 3cos 3 x + 2 ( ) b. y = 9csc 5 x 7 ( ) + 3. (2 points) Sketch a graph of the damped harmonic function: y = 3 t 5 sin 2 3 t 4. (3 points) Suppose csc = 3 and tan > . Find sin ( ) , cos ( ) and tan ( ) . 5. (4 points) If sec = 3 where 2 < and tan = 3 where < 3 2 . a. Find sin + ( ) , cos ( ) and tan + ( ) b. What quadrant is + ( ) in? 6. (4 points) Verify the following identities: a. sin 2 A sin 2 B = cos 2 B cos 2 A b. sin x + y ( ) cos x cos y = tan x + tan y 7. (4 points) Find a possible equation for each of the following graphs: a. b....
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 Spring '11
 jefferson
 Math, Trigonometry

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