How do you use a calculator to approximate $arccos (- 0.41)$ $arccos(-0.41)$ ?

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How do you use a calculator to approximate $arccos (- 0.41)$ $arccos(-0.41)$ ?

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Answer 1 · 2018-02-21T08:32:42

Use ${cos}^{- 1} (- 0.41)$ $cos^-1(-0.41)$

Explanation:

$arccos$ $arccos$ and ${cos}^{- 1}$ $cos^-1$ are equivalent and most calculators have ${cos}^{- 1}$ $cos^-1$
$cos^-1(-0.41)=1.99325038...$ or in degrees $114.20483...$
Make sure to round to whatever your assignment requires.

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How do you use a calculator to approximate $arccos (- 0.41)$ $arccos(-0.41)$ ?

1 Answer

Explanation:

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How do you use a calculator to approximate arccos(-0.41)arccos(−0.41)arccos(-0.41)?

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How do you use a calculator to approximate $arccos (- 0.41)$ $arccos(-0.41)$ ?