In AKLM, the measure of ZM=90°, KM = 48, LK = 73, and ML = 55. What ratio represents the cosine of ZL?
In AKLM, the measure of ZM=90°, KM = 48, LK = 73, and ML = 55. What ratio represents the cosine of ZL?
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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Transcribed Image Text:In AKLM, the measure of ZM=90°, KM = 48, LK
= 73, and ML = 55. What ratio represents the
cosine of ZL?
Expert Solution
Step 1
Given that, in , the measure of , the sides KM = 48, LK = 73, and ML = 55.
From the given information, it is observed that the triangle KLM is a right angle triangle.
The right angle triangle formed has an hypotenuse , opposite and an adjacent side.
Use the given information and draw a right angle triangle as follows.
From the above figure, it is observed that hypotenuse LK = 73, opposite side KM = 55 and an adjacent side ML = 55.
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