The displacement of a buoy in metres in the water is described by the function b() = 4 sin(18°t) at time t seconds. If the buoy starts at the center, when is the second time that the buoy will be back at the center? a. 5 s b. 10 s с. 15s d. 20 s

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 31E
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11.
The displacement of a buoy in metres in the water is described by the function b(4) = 4 sin(18°t)
at time t seconds. If the buoy starts at the center, when is the second time that the buoy will be back at the
center?
a.
5 s
c.
15 s
b. 10 s
d. 20 s
Transcribed Image Text:11. The displacement of a buoy in metres in the water is described by the function b(4) = 4 sin(18°t) at time t seconds. If the buoy starts at the center, when is the second time that the buoy will be back at the center? a. 5 s c. 15 s b. 10 s d. 20 s
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