5.4.71 If a person bends at the waist with a straight back making an angle of 0 degrees with the horizontal, then the force F exerted on the back muscles can be modeled by the equation shown below, where W is the weight of the person. Complete parts (a) through (c). 0.6W sin (0+90°) F= sin 12° (a) Calculate F when W = 190 lb and 0= 35°. F= Ib (Round to the nearest pound as needed.)
5.4.71 If a person bends at the waist with a straight back making an angle of 0 degrees with the horizontal, then the force F exerted on the back muscles can be modeled by the equation shown below, where W is the weight of the person. Complete parts (a) through (c). 0.6W sin (0+90°) F= sin 12° (a) Calculate F when W = 190 lb and 0= 35°. F= Ib (Round to the nearest pound as needed.)
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:5.4.71
If a person bends at the waist with a straight back making an angle of 0 degrees with the horizontal, then the force F exerted on the back muscles can be modeled by the equation shown below, where W is the weight of the person. Complete
parts (a) through (c).
Question Help
0.6W sin (0+90°)
F =
sin 12°
(a) Calculate F when W= 190 lb and 0= 35°
F =
lb
(Round to the nearest pound as needed.)
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