― - 5. Which form of the Sine Law would you use to calculate the indicated length? D a. 42° b. = f f sin 83° f 43.1 43.1 sin 83° sin 55° sin 42° 6. Which Cosine Law would you use to determine the measure of ZR? 43.1 sin 42° 54.8 in. F 53.2 cm R 43.1 m Z 55° 840 44.6 in. E 42.6 cm Q C. d. 64.4 in. a. r² =p² +q²-2pq cos R b. p²=r²+q²-2rq cos P 7. Which formula would you use to determine the indicated length? sin 83° f sin 55° = e sin 55° c. 2rq cos P = r²+q²-p² d. q² =p² +r²-2pr cos Q
― - 5. Which form of the Sine Law would you use to calculate the indicated length? D a. 42° b. = f f sin 83° f 43.1 43.1 sin 83° sin 55° sin 42° 6. Which Cosine Law would you use to determine the measure of ZR? 43.1 sin 42° 54.8 in. F 53.2 cm R 43.1 m Z 55° 840 44.6 in. E 42.6 cm Q C. d. 64.4 in. a. r² =p² +q²-2pq cos R b. p²=r²+q²-2rq cos P 7. Which formula would you use to determine the indicated length? sin 83° f sin 55° = e sin 55° c. 2rq cos P = r²+q²-p² d. q² =p² +r²-2pr cos Q
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:5. Which form of the Sine Law would you use to calculate the indicated length?
D
a.
b.
P
42°
X
f
43.1
sin 83°
sin 42°
f
43.1
sin 83° sin 55°
6. Which Cosine Law would you use to determine the measure of ZR?
=
=
54.8 in.
f
53.2 cm
F
Z
R
43.1 m
Z
55°
840
44.6 in.
E
42.6 cm
Q
64.4 in.
a. r² =p² +q²-2pq cos R
b. p² = r²+q²-2rq cos P
7. Which formula would you use to determine the indicated length?
C.
Y
d.
f
sin 83°
f
sin 55°
a.
42.6² = 53.2² +2²-2x 53.2 x z cos X
b. z² = 42.6² +53.2² - 2x 42.6 x 53.2 x cos 84°
C.
z² = 53.2² +53.2² - 2 x 42.6 x 42.6 x cos 84°
d. e² = 42.6² -z²-2x 53.2 x z cos X
=
3
e
sin 55°
43.1
sin 42°
c. 2rq cos P = r²+q²-p²
d. q² =p² +r²-2pr cos Q
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