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119. You are sitting in a classroom next to the wall looking at the blackboard at the front of the room. The blackboard is 12 ft long and starts 3 ft from the wall you are sitting next to. a. Show that your viewing angle is if you are x ft from the front wall. α = arccot b. Find x so that a is as large as possible. 12' गैस्लेञ Blackboard x 15 Wall ·x arccot α X 3 You

119. You are sitting in a classroom next to the wall looking at the blackboard at the front of the room. The blackboard is 12 ft long and starts 3 ft from the wall you are sitting next to. a. Show that your viewing angle is if you are x ft from the front wall. α = arccot b. Find x so that a is as large as possible. 12' गैस्लेञ Blackboard x 15 Wall ·x arccot α X 3 You

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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119. You are sitting in a classroom next to the wall looking at the blackboard at the front of the room. The blackboard is 12 ft long and starts 3 ft from the wall you are sitting next to. a. Show that your viewing angle is if you are x ft from the front wall. α = arccot b. Find x so that a is as large as possible. 12' गैस्लेञ Blackboard x 15 Wall ·x arccot α X 3 You
Transcribed Image Text:119. You are sitting in a classroom next to the wall looking at the blackboard at the front of the room. The blackboard is 12 ft long and starts 3 ft from the wall you are sitting next to. a. Show that your viewing angle is if you are x ft from the front wall. α = arccot b. Find x so that a is as large as possible. 12' गैस्लेञ Blackboard x 15 Wall ·x arccot α X 3 You
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