Question and Answers Forum

All Questions      Topic List

None Questions

Previous in All Question      Next in All Question      

Previous in None      Next in None      

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

Re(2+e^(iαt) )?

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

Answered by MJS_new last updated on 19/Apr/22

2+e^(iαt) =2+cos αt +i sin αt  easy, ain′t it?

$$\mathrm{2}+\mathrm{e}^{\mathrm{i}\alpha{t}} =\mathrm{2}+\mathrm{cos}\:\alpha{t}\:+\mathrm{i}\:\mathrm{sin}\:\alpha{t} \\ $$$$\mathrm{easy},\:\mathrm{ain}'\mathrm{t}\:\mathrm{it}? \\ $$

Commented by mokys last updated on 20/Apr/22

2 + cosαt

$$\mathrm{2}\:+\:{cos}\alpha{t} \\ $$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com