Solve the problem.A simple harmonic motion is described by the equation 
where x is the displacement in meters and t is time in seconds. Find positive values of t for which the displacement is 
.
A. 
+ 8n sec, 
+ 8n sec, n an integer
B. 
+ 8n sec, 
+ 8n sec, n an integer
C. 
+ 8n sec, 
+ 8n sec, n an integer
D. 
+ 8n sec, 
+ 8n sec, n an integer
Answer: A
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Evaluate the requested trigonometric function using the information given. sec ? = 
; 3?/2 < ? < 2?Find cot ?.
A. -5
B. 5
C. -
D. - 
Find an equation for the line that passes through the given point and satisfies the given conditions.P = (9, 7); parallel to v = 2i + 5j
A. 2x + 5y = 53
B. 5x - 2y = 31
C. 2x + 5y = 29
D. y - 7 = 
(x - 2)
Solve the problem.When sitting atop a tree and looking down at his pal Joey, the angle of depression of Mack's line of sight is 59°10'. If Joey is known to be standing 38 feet from the base of the tree, how tall is the tree (to the nearest foot)?
A. 70 ft B. 64 ft C. 66 ft D. 68 ft
Insert <, >, or = to form a true statement.313.5805 
313.5508
A. < B. > C. =