Determine the length of side QR in the following triangle 13 cm 70 4 cm R Square QR²= 13²+ 4²-2 (13)(4)- 2 QR²= · QR² = - cas 70 2 (13)(14)- cos 70° -
Determine the length of side QR in the following triangle 13 cm 70 4 cm R Square QR²= 13²+ 4²-2 (13)(4)- 2 QR²= · QR² = - cas 70 2 (13)(14)- cos 70° -
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:Determine the length of side QR in the following triangle
P
13 cm
2
70
4 cm
R
Square
root
QR² = 13²+ 4²-2 (13) (4)· cos 70°
2
QR²=
-QR² =
QR=
-
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
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