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Mathematics, 05.06.2021 01:20 chocodeer

Find the cosine of ∠G (Must give explanation) also why does my calculator say its undefined if I do the cos invert of (85/77) ??

cos^-1(85/77) = undefined ?? why


Find the cosine of ∠G (Must give explanation)

also why does my calculator say its undefined if I

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Answers: 1

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