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83. A feeding trough for cattle is made from a metal sheet 3 ft wide. The sides of the trough are made by folding up a flap 1 ft wide from each end of the strip. Each flap makes an angle with the horizontal. a. Write an expression representing the area of a cross section of the trough in terms of 0. 1 b. Show that the area can be written as A = sin 20 + sin 0. 1 ft 1 ft sau 02- 2saio I I 3 ft 1 ft 0 sia 3 ft TEE 01 ft

83. A feeding trough for cattle is made from a metal sheet 3 ft wide. The sides of the trough are made by folding up a flap 1 ft wide from each end of the strip. Each flap makes an angle with the horizontal. a. Write an expression representing the area of a cross section of the trough in terms of 0. 1 b. Show that the area can be written as A = sin 20 + sin 0. 1 ft 1 ft sau 02- 2saio I I 3 ft 1 ft 0 sia 3 ft TEE 01 ft

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter11: Addition And Subtraction Of Decimal Fractions
Section: Chapter Questions
Problem 11A
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1 ft 83. A feeding trough for cattle is made from a metal sheet 3 ft wide. The sides of the trough are made by folding up a flap 1 ft wide from each end of the strip. Each flap makes an angle with the horizontal. a. Write an expression representing the area of a cross section of the trough in terms of 0. 1 b. Show that the area can be written as A = -sin 20 + sin 0. 2 no 1 fton sau 02-250198107 1 ft 0 sind 3 ft #EE 01 ft 3 ft Dnia .02 launahad from on initial height h.
Transcribed Image Text:1 ft 83. A feeding trough for cattle is made from a metal sheet 3 ft wide. The sides of the trough are made by folding up a flap 1 ft wide from each end of the strip. Each flap makes an angle with the horizontal. a. Write an expression representing the area of a cross section of the trough in terms of 0. 1 b. Show that the area can be written as A = -sin 20 + sin 0. 2 no 1 fton sau 02-250198107 1 ft 0 sind 3 ft #EE 01 ft 3 ft Dnia .02 launahad from on initial height h.
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