In the diagram C and D represent two boats in the same horizontal plane as B, the base of a lighthouse AB, which is h metres high. Boat C and D are equidistant from B. The angle of elevation from C and D to A, are both x. CBD = y. A D

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Mathematics P2
LimpopoDoE/September 2020
NSC
QUESTION 7
elevation from C and D to A, are both x. CBD ÷ y -
darat
C
D
Prove that CD =
2-2cas y
tanx
16]
AB
tanx = TD
rd (ese
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Transcribed Image Text:Mathematics P2 LimpopoDoE/September 2020 NSC QUESTION 7 elevation from C and D to A, are both x. CBD ÷ y - darat C D Prove that CD = 2-2cas y tanx 16] AB tanx = TD rd (ese Copyright reserved Please turn over
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