Ꮎ 20 B A b C

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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Consider an acute angle θ such that cos (θ) = 2/3.
(a) Find value of:
      (i) sin θ
      (ii) sin 2θ

In attached figure, show triangle ABC where angle(B)=θ, angle(A)=2θ , BC=a and AC=b.
(b) Show that b = 3a/4 

Ꮎ
20
B
A
b
C
Transcribed Image Text:Ꮎ 20 B A b C
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