5. A steel girder 27 feet long is to be moved on rollers along a passageway 8 feet in width and into a corridor at right angles to the passageway. If the horizontal width of the girder is neglected, how wide must the corridor be in order that the girder can go around the corner?
5. A steel girder 27 feet long is to be moved on rollers along a passageway 8 feet in width and into a corridor at right angles to the passageway. If the horizontal width of the girder is neglected, how wide must the corridor be in order that the girder can go around the corner?
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter2: Right Triangle Trigonometry
Section2.4: Applications
Problem 48PS: Albert lives in New Orleans. At noon on a summer day, the angle of elevation of the sun is 84. The...
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Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
Topic Video
Question
Number 5
Transcribed Image Text:II Solve the ff. problems using trigonometric or inverse trigonometric functions
Show illustration, define variables used and give a detailed solutions.
1. In the right triangle ABC, AB = 2, BC = 4 and ED is a line parallel to AB. Find the
angle a = angle BAD which minimizes the distance L, where L = AD + ED
2. At what point on the line y = b does the line segment from (0,0) to ( a,0) subtend the
greatest angle.
3. Find the angle of the largest right circular cone which can be inscribed in a sphere of
radius 9 inches.
4. A statue 10 feet high is standing on a base 13 feet high. If an observer's eye is 5 feet
above the ground, how far should he stand from the base in order that the angle
between his lines of sight to the top and bottom of the statue is a maximum. (How far
should he stand to get the best view of the statue.
5. A steel girder 27 feet long is to be moved on rollers along a passageway 8 feet in
width and into a corridor at right angles to the passageway. If the horizontal width of
the girder is neglected, how wide must the corridor be in order that the girder can go
around the corner?
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