Question Number 67359 by mhmd last updated on 26/Aug/19 $$\int{siny}/{y}\:\:{dy} \\ $$ Commented by mathmax by abdo last updated on 26/Aug/19 $${at}\:{form}\:{of}\:{serie}\:\:{we}\:{have}\:{siny}\:=\sum_{{n}=\mathrm{0}} ^{\infty} \:\frac{\left(−\mathrm{1}\right)^{{n}} {y}^{\mathrm{2}{n}+\mathrm{1}}…
Question Number 1822 by 112358 last updated on 06/Oct/15 $${Find}\:{the}\:{value}\:{of} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\int_{\mathrm{0}} ^{\pi} \frac{{x}\mid{sin}\mathrm{2}{x}\mid}{\mathrm{3}+{sin}^{\mathrm{2}} {x}}{dx}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 1821 by 123456 last updated on 05/Oct/15 $${f}\left({uv}\right)={f}\left({u}\right){f}\left({v}\right)−{f}\left({u}+{v}\right) \\ $$$${f}\left(\mathrm{0}\right)=? \\ $$$${f}\left(\mathrm{1}\right)=? \\ $$$${f}\left({x}\right)=? \\ $$ Answered by Rasheed Soomro last updated on…
Question Number 1818 by sabyasachi last updated on 05/Oct/15 $$\int\:\frac{\mathrm{sin}\:{x}\:+\:\mathrm{cos}\:{x}}{\:\sqrt{\mathrm{sin}\:{x}\:\mathrm{cos}\:{x}}}\:{dx} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 1817 by 112358 last updated on 05/Oct/15 $${Evaluate}\:{the}\:{following}\:{limit}, \\ $$$${if}\:{it}\:{exists}, \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\frac{{sin}\left({sin}\left({sinx}\right)\right)}{{x}}. \\ $$ Answered by 123456 last updated on 05/Oct/15 $${f}_{{n}}…
Question Number 67350 by TawaTawa last updated on 26/Aug/19 Commented by TawaTawa last updated on 26/Aug/19 $$\mathrm{Calculate}\:\mathrm{the}\:\mathrm{radius}\:\mathrm{of}\:\mathrm{the}\:\mathrm{circle}.\: \\ $$ Answered by mr W last updated…
Question Number 67349 by Joel122 last updated on 26/Aug/19 $$\mathrm{Solve}\:\mathrm{for}\:{y}\left({x}\right) \\ $$$${xy}'\:=\:{y}\:+\:\mathrm{2}{x}^{\mathrm{3}} \mathrm{sin}^{\mathrm{2}} \left(\frac{{y}}{{x}}\right) \\ $$ Answered by mind is power last updated on 26/Aug/19…
Question Number 1812 by 112358 last updated on 04/Oct/15 $${Find}\:{the}\:{period}\:{of}\:{f}\left({x}\right)\:{where} \\ $$$${f}\left({x}\right)={cos}\left(\mathrm{2}{x}+\frac{\pi}{\mathrm{3}}\right)+{sin}\left(\frac{\mathrm{3}{x}}{\mathrm{2}}−\frac{\pi}{\mathrm{4}}\right). \\ $$$${How}\:{may}\:{one}\:{find}\:{the}\:{period} \\ $$$${of}\:{the}\:{following}\:{functions} \\ $$$${if}\:\psi\left({x}\right)\:{has}\:{period}\:{m}\:{and}\:\gamma\left({x}\right) \\ $$$${has}\:{period}\:{n}? \\ $$$$\left(\mathrm{1}\right)\:{f}_{\mathrm{1}} \left({x}\right)=\psi\left({x}\right)\gamma\left({x}\right) \\ $$$$\left(\mathrm{2}\right)\:{f}_{\mathrm{2}}…
find-the-series-solution-of-the-ordinary-differential-equation-y-2-2xy-1-3y-x-2-1-y-0-1-and-y-1-0-2-
Question Number 132881 by Engr_Jidda last updated on 17/Feb/21 $${find}\:{the}\:{series}\:{solution}\:{of} \\ $$$${the}\:{ordinary}\:{differential}\:{equation} \\ $$$${y}^{\mathrm{2}} +\mathrm{2}{xy}^{\mathrm{1}} −\mathrm{3}{y}={x}^{\mathrm{2}} −\mathrm{1} \\ $$$${y}\left(\mathrm{0}\right)=\mathrm{1}\:{and}\:{y}^{\mathrm{1}} \left(\mathrm{0}\right)=\mathrm{2} \\ $$ Terms of Service…
Question Number 132880 by faysal last updated on 17/Feb/21 $${cot}\left(\mathrm{142}.\mathrm{5}°\right)=? \\ $$ Commented by bramlexs22 last updated on 17/Feb/21 $$\mathrm{285}°=\:\mathrm{2}×\mathrm{142}.\mathrm{5} \\ $$$$\mathrm{285}°=\mathrm{270}°+\mathrm{15}° \\ $$$$\mathrm{cot}\:\mathrm{285}°\:=\:\mathrm{cot}\:\mathrm{285}° \\…