A state trooper is hidden 30 feet from a highway. One second after a truck passes, the angle 0 between the highway and the line of observation from the patrol car to the truck is measured. See the illustration. 1 sec 30 ft 1. If the angle 0 measures 15° , how fast is the truck traveling? (a) What is the speed of the truck in feet per second?

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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I do not understand how to do this problem. How do you find the speed from the angle?

A state trooper is hidden 30 feet from
a highway. One second after a truck
passes, the angle 0 between the
highway and the line of observation
from the patrol car to the truck is
measured. See the illustration.
1 sec
30 ft
1. If the angle 0 measures 15° , how fast is the truck traveling?
(a) What is the speed of the truck in feet per second?
Transcribed Image Text:A state trooper is hidden 30 feet from a highway. One second after a truck passes, the angle 0 between the highway and the line of observation from the patrol car to the truck is measured. See the illustration. 1 sec 30 ft 1. If the angle 0 measures 15° , how fast is the truck traveling? (a) What is the speed of the truck in feet per second?
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