geles B=} AtC= | AtC-2D= -2 う -2D = -3 2の I +3

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section: Chapter Questions
Problem 7RE
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Question

where did -2d=-3 came?

%3D
ーの
Drue
- 2DM+ D
(A+c)M"+(A +B-2C tD)m° +(A+C-2D)M t
(-A tB+ D)
So,
AtC = 1 , -At乃-2c+D-o
AtC-2D = -2
-A+B+D=O
geven B=
%3D
AtC= 1
AtC-2D= -2 d -2D
-3
> (D = 3
2
-A- +3
2
(A
Transcribed Image Text:%3D ーの Drue - 2DM+ D (A+c)M"+(A +B-2C tD)m° +(A+C-2D)M t (-A tB+ D) So, AtC = 1 , -At乃-2c+D-o AtC-2D = -2 -A+B+D=O geven B= %3D AtC= 1 AtC-2D= -2 d -2D -3 > (D = 3 2 -A- +3 2 (A
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