A 45 foot tall telephone mast r feet from an observer subtends an angle of 1.75°.
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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A 45 foot tall telephone mast r feet from an observer subtends an angle of 1.75°.
Use the arc length formula to estimate r(the distance between the observer and the telephone mast) to the nearest foot.
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