Weatherman reported that Chicago receive .84 inches of rain. which fraction is equivalent to this amount of rain in inches?

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Ответ:

Toady8432

19.05.2020

Mathematics

cos (-85°)

Step-by-step explanation:

$\cos(275 \degree)$

since cosine is in fourth quadrant:

$\cos(275 \degree) = \cos( \{360 \degree - 275 \degree \}) \\ = \cos( - 85 \degree)$

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