A= s(s-aXs-bXs-c) A=-acSinB 7-8. Find the area of the triangle. 7. 41 A B 26 35 8. C 31 17° A 57 112
A= s(s-aXs-bXs-c) A=-acSinB 7-8. Find the area of the triangle. 7. 41 A B 26 35 8. C 31 17° A 57 112
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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Transcribed Image Text:CA 2014 Law of Sines,Cosines C- Compatibility Mode - Saved to this PC
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AaBbCcl AaBbC AABBCCI AaBbCc) AaBbCcI
e Rep
A Sel
A Aa - A
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1 Normal
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.. A -
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7-8. Find the area of the triangle.
A= Vs(s-aXs- bXs-c) A=-acSinB
7.
41
B
26
35
8.
C
31
17
57
B
Use the Law of Cosines to find the indicated missing information in the triangle.
OFoc
DELL
Transcribed Image Text:out
Aa - A.
E--EE 2 T
AaBbCcl AaBbCAaBbCcI AaBbCc) AaBbCcI
D. A-
Emphasis
Heading 1
T Normal
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Paragraph
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Use the Law of Cosines to find the indicated missing information in the triangle.
a =b2 +c? -2bcCosA
62=a² +c? -2acCosB
c = a² +b?- 2abCosC
9.
a = 12 b=9 c=7
mLA=
;m/B =
;m2C=
C.
DELL
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