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32b
Problem

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Textbook Expert
Textbook ExpertVerified Tutor
28 Nov 2021

Given information

One side of a right triangle is known to be 20 cm long.

The opposite angle is measured as , with a possible error of .

Use of differentials is asked for to compute.

Step-by-step explanation

Step 1.

We got from 32a

 

 

From Pythagoras principle (see the figure in next step) we get

 

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