Trigonometry Examples

${(1 + i)}^{n} = {(\sqrt{2})}^{n} (\cos (45) + i \sin (45))$ , $i \sin (45) = 0$

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${(1 + i)}^{n} = {(\sqrt{2})}^{n} (\cos (45) + i \sin (45)), i \sin (45) = 0$