The height h of the top of a pylon is calculated by measuring its angle of elevation
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The height h of the top of a pylon is calculated by measuring its angle of elevation α at a point a distance s horizontally from the base of the pylon. Find the error in h due to small errors in s and α. If s and α are taken as 20 m and 30° respectively when the correct values are 19.8 m and 30.2°, find the error and the relative error in the calculated height.
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