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O From a point S due south, the angle of el- evation of the top of a vertical mast is 38°. From another point W due west of the mast, the angle of elevation of the top of the mast is 28°. If the mast is 50 m high, calculate the distance between point S and W to 2 d.p.

O From a point S due south, the angle of el- evation of the top of a vertical mast is 38°. From another point W due west of the mast, the angle of elevation of the top of the mast is 28°. If the mast is 50 m high, calculate the distance between point S and W to 2 d.p.

Trigonometry (11th Edition)
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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No 11
a point S due south, the angle of el- evation of the top of a vertical mast is 38°. From another point W due west of the mast, the angle of elevation of the top of the mast is 28°. If the mast is 50 m high, calculate nity. the village. mortality rate, owing to Sine and cosine rules (b) the b From a a W- 50m the distance between point S and W to 2 d.p. OA vertical pole stands on horizontal ground. ulae If the A student positioned due west of the pole le al observes that the angle of elevation of the To fir top of the pole is 40°. When the student moves 10 m due south, he observes that the (1) L angle of elevation of the top of the pole is 35°. What is the height of the pole? of dor anoth wd 13.6 Bearings (Revision) (2) (3) nali s ion e
Transcribed Image Text:a point S due south, the angle of el- evation of the top of a vertical mast is 38°. From another point W due west of the mast, the angle of elevation of the top of the mast is 28°. If the mast is 50 m high, calculate nity. the village. mortality rate, owing to Sine and cosine rules (b) the b From a a W- 50m the distance between point S and W to 2 d.p. OA vertical pole stands on horizontal ground. ulae If the A student positioned due west of the pole le al observes that the angle of elevation of the To fir top of the pole is 40°. When the student moves 10 m due south, he observes that the (1) L angle of elevation of the top of the pole is 35°. What is the height of the pole? of dor anoth wd 13.6 Bearings (Revision) (2) (3) nali s ion e
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