A shoreline observation post is located on a cliff such that the observer is 350 feet above sea level. The observer spots a ship approaching the shore and the ship is traveling at a constant speed. To input your angle measures in degrees, use the functions sind (5), cosd (5) and tand (5), instead of sin (5), cos (5) and tan (5). Angle of depression a. When the observer initially spots the ship, the angle of depression for the observer's vision is 5 degrees. At this point in time, how far is the ship from the shore? feet Preview b. After watching the ship for 47 seconds, the angle of depression for the observer's vision is 12 degrees. At this point in time, how far is the ship from the shore? feet Preview c. What is the ship's constant speed (in ft/sec)? ft/sec Preview

A shoreline observation post is located on a cliff such that the observer is 350 feet above sea level. The observer spots a ship approaching the shore and the ship is traveling at a constant speed. To input your angle measures in degrees, use the functions sind (5), cosd (5) and tand (5), instead of sin (5), cos (5) and tan (5). Angle of depression a. When the observer initially spots the ship, the angle of depression for the observer's vision is 5 degrees. At this point in time, how far is the ship from the shore? feet Preview b. After watching the ship for 47 seconds, the angle of depression for the observer's vision is 12 degrees. At this point in time, how far is the ship from the shore? feet Preview c. What is the ship's constant speed (in ft/sec)? ft/sec Preview

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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Concept explainers

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.

Question

I need help please!

A shoreline observation post is located on a cliff such that the observer is 350 feet above sea level. The observer spots a ship approaching the
shore and the ship is traveling at a constant speed.
To input your angle measures in degrees, use the functions sind (5), cosd (5) and tand (5), instead of sin (5), cos (5) and tan (5).
Angle of depression
a. When the observer initially spots the ship, the angle of depression for the observer's vision is 5 degrees. At this point in time, how far is
the ship from the shore?
feet Preview
b. After watching the ship for 47 seconds, the angle of depression for the observer's vision is 12 degrees. At this point in time, how far is the
ship from the shore?
feet Preview
c. What is the ship's constant speed (in ft/sec)?
ft/sec Preview
d. If the ship continues traveling at this constant speed, how many seconds after the observer initially spotted the ship will the ship crash into
the shore?
sec
Preview

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