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Question Number 168856 by MWSuSon last updated on 19/Apr/22

$$\mathrm{Re}(2+{\mathrm{e}}^{\mathrm{i}\alpha \mathrm{t}})?$$

Answered by MJS_new last updated on 19/Apr/22

$$2+{\mathrm{e}}^{\mathrm{i}\alpha t}=2+\cos \alpha t+\mathrm{i}\sin \alpha t$$$$\mathrm{easy},{\mathrm{ain}}^{\prime }\mathrm{t}\mathrm{it}?$$

Commented by mokys last updated on 20/Apr/22

$$2+cos\alpha t$$

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