Use a calculator to evaluate cot 3.14/5

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asked Apr 18, 2019 90.0k views

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Taystack · Answer 1 · 2019-04-22T10:44:39+0000

You need to be a little careful here. cot(3.14/5) ≠ cot(π/5) to the accuracy shown. 3.14 is not a useful approximation for π if you want to use more than 3 significant digits in your result.

The 2nd selection is appropriate. (1.376)

Use a calculator to evaluate cot 3.14/5-example-1

Use a calculator to evaluate cot 3.14/5

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