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Natasha Palmer
Mathematics
4 August, 22:37
Use a calculator to evaluate cot 3.14/5
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Mila Cowan
4 August, 22:53
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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)
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