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( cos ⁡ θ + i sin ⁡ θ ) n = cos ⁡ n θ + i sin ⁡ n θ displaystyle (cos theta +isin theta )^ n =cos ntheta +isin ntheta Some number techniques that aren't A part of the elaborate numbers could possibly be produced from the real numbers R displaystyle mathbb R The remedy of adverse genuine numbers is according to the common regulations of