Mathematics

Mathematics, 16.10.2020 05:01, katherineweightman

Which of the following expressions is not equivalent to the quotient of sqrt2(cos45° + isin45°) and sqrt2(cos315° + isin315°)? cos(-270°) + isin(-270°)
cos270° + isin270°
cos90° + isin90°
cos270° - isin270°

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