Question Number 35236 by abdo.msup.com last updated on 17/May/18 $${letf}\left({x}\right)={arctan}\left(\mathrm{1}+{ix}\right)\:{with}\:\mid{x}\mid<\mathrm{1} \\ $$$${developp}\:{f}\:\:{at}\:{integr}\:{serie}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 35234 by abdo.msup.com last updated on 17/May/18 $${let}\:{f}\left({x}\right)\:={e}^{−{x}^{{n}} } \:\:\:\:\:{with}\:{n}\:{fromN} \\ $$$${developp}\:{f}\:{at}\:{integr}\:{serie}\:. \\ $$ Commented by prof Abdo imad last updated on 18/May/18…
Question Number 35232 by abdo.msup.com last updated on 17/May/18 $${what}\:{is}\:{the}\:{value}\:{of}\:{cos}\:{z}\:{and}\:{sinz} \\ $$$${if}\:{z}={re}^{{i}\theta} \:\:\:\:{r}>\mathrm{0}\:\:? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 35231 by abdo.msup.com last updated on 17/May/18 $${what}\:{is}\:{the}\:{value}\:{of}\:{cos}\left(\mathrm{1}+{i}\right)\:{and} \\ $$$${cos}\left(\mathrm{1}−{i}\right)? \\ $$ Commented by abdo mathsup 649 cc last updated on 17/May/18 $${we}\:{have}\:{the}\:{formulaes}\:\:{cos}\left({z}\right)={ch}\left({iz}\right)\:{and}…
Question Number 35223 by abdo mathsup 649 cc last updated on 16/May/18 $${what}\:{is}\:{the}\:{value}\:{of}\:{cos}\left({i}+{j}\right)\:{with}\:{i}^{\mathrm{2}} =−\mathrm{1}\:{and} \\ $$$${j}\:={e}^{{i}\frac{\mathrm{2}\pi}{\mathrm{3}}} \:\:? \\ $$ Answered by sma3l2996 last updated on…
Question Number 35221 by abdo mathsup 649 cc last updated on 16/May/18 $${let}\:{z}\:{from}\:{C}\:{prove}\:{that} \\ $$$${e}^{{z}} \:=\:\sum_{{n}=\mathrm{0}} ^{\infty} \:\:\frac{{z}^{{n}} }{{n}!}\:. \\ $$ Terms of Service Privacy…
Question Number 35222 by abdo mathsup 649 cc last updated on 16/May/18 $${let}\:\mid{x}\mid<\mathrm{1}\:{prove}\:{that}\: \\ $$$${arctanx}\:=\frac{{i}}{\mathrm{2}}{ln}\left(\frac{{i}+{x}}{{i}−{x}}\right) \\ $$ Commented by abdo mathsup 649 cc last updated…
Question Number 35219 by abdo.msup.com last updated on 16/May/18 $${let}\:{z}\:\in{C}\:\:{prove}\:{that} \\ $$$${cosz}\:={ch}\left({iz}\right)\:{and}\:{sinz}={sh}\left({iz}\right) \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 35220 by abdo.msup.com last updated on 16/May/18 $${let}\:{z}\:{from}\:{C}\:{and}\:{f}\left({z}\right)=\:\frac{\mathrm{2}{z}}{\left({z}−\mathrm{1}\right)\left(\mathrm{2}{z}\:+\mathrm{1}\right)} \\ $$$${developp}\:{f}\:{at}\:{integr}\:{serie}. \\ $$ Commented by abdo mathsup 649 cc last updated on 18/May/18 $${let}\:{decompose}\:{f}\left({z}\right)=\:…
Question Number 35216 by abdo.msup.com last updated on 16/May/18 $${study}\:{the}\:{function}\: \\ $$$${f}_{{n}} \left({x}\right)={arcos}\left({ncosx}\right)\:{n}\geqslant\mathrm{1}\:{integr}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com