A triangular field ABC is such that AB = 56m and BC = 82m, each nearest metre, and the angle at B is equal to 105, measured correc %3D 562= C 56 562-8 105 B 82 a
A triangular field ABC is such that AB = 56m and BC = 82m, each nearest metre, and the angle at B is equal to 105, measured correc %3D 562= C 56 562-8 105 B 82 a
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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![A triangular field ABC is such that AB = 56m and BC = 82m, each measured correct to the
nearest metre, and the angle at B is equal to 105', measured correct to the nearest 5
diagram not to scale
A.
C2=Q? +b2 - zabcos C
562=822+6? - 8 cos C
c 56
562-823+6?
562-822+6²
-1646
= - 18bcos C
= cos C
105
cos/-823462
B
82
a
Calculate the maximum possible area of the field.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdf7c064b-a2d8-4c79-b34d-8abb1adec9ff%2Ff588dfed-54b6-47f2-9f48-4c4864379351%2Fcozvnm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A triangular field ABC is such that AB = 56m and BC = 82m, each measured correct to the
nearest metre, and the angle at B is equal to 105', measured correct to the nearest 5
diagram not to scale
A.
C2=Q? +b2 - zabcos C
562=822+6? - 8 cos C
c 56
562-823+6?
562-822+6²
-1646
= - 18bcos C
= cos C
105
cos/-823462
B
82
a
Calculate the maximum possible area of the field.
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