Measurement of one side of the right angle triangle is .
Angle opposite to that side is .
Thus, and
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Consider the length of the hypotenuse as .
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Consider .
Differentiate the above equation with respect to .
(a) Approximate the percentage error in computing the length of the hypotenuse:
\Percentage error in computing the length of the hypotenuse .
(b)
\Estimate the maximum allowable percent error in measuring the angle if the error in computing the length of the hypotenuse cannot exceed .
Find .
The maximum allowable percent error in measuring the side is .
(a) Percentage error in computing the length of the hypotenuse .
(b) The maximum allowable percent error in measuring the side is .