Answered: A helicopter makes a forced landing at…

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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A helicopter makes a forced landing at sea. The last radio signal received at station C gives the bearing of the helicopter from C as N 58.5° E at an altitude of a = 417 feet. An observer at C sights the helicopter and gives ∠DCB as 13.6°. How far will a rescue boat at A have to travel to reach any survivors at B? (See the figure below. Round your answer to the nearest 10ft.)

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