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1. The angle at the vertex of a cone is measured using a 30mm diameter coin as shown in the figure below. If the coin lies 3.72mm below the top of the cone, determine the value of angle 0. 3.72m 30mm 50mm

1. The angle at the vertex of a cone is measured using a 30mm diameter coin as shown in the figure below. If the coin lies 3.72mm below the top of the cone, determine the value of angle 0. 3.72m 30mm 50mm

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Please sir or madam I need help on the two questions.

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4G 10:34 A O l 34 60 B/s Edit WPS 38 TRIGONOMETRY 1. The angle at the vertex of a cone is measured using a 30mm diameter coin as shown in the figure below. If the coin lies 3.72mm below the top of the cone, determine the value of angle e. 3.72m 30mm 50mm 2. A surveyor measured the angle of elevation of a flat spire as 15° from a point on horizontal ground. He moves 30m nearer to the flat and measures the angle of elevation as 43°. Calculate the height of the spire to the nearest hundredth. Page 1 of 1 88 Тools Mobile View Share Edit on PC
Transcribed Image Text:4G 10:34 A O l 34 60 B/s Edit WPS 38 TRIGONOMETRY 1. The angle at the vertex of a cone is measured using a 30mm diameter coin as shown in the figure below. If the coin lies 3.72mm below the top of the cone, determine the value of angle e. 3.72m 30mm 50mm 2. A surveyor measured the angle of elevation of a flat spire as 15° from a point on horizontal ground. He moves 30m nearer to the flat and measures the angle of elevation as 43°. Calculate the height of the spire to the nearest hundredth. Page 1 of 1 88 Тools Mobile View Share Edit on PC
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