Ꮎ 20 B A b C

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.4: Fractional Expressions
Problem 8E
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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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