Question Number 91892 by john santu last updated on 03/May/20 $$\underset{\mathrm{0}} {\overset{\pi} {\int}}\:\frac{{dx}}{{a}^{\mathrm{2}} \mathrm{cos}\:^{\mathrm{2}} {x}+{b}^{\mathrm{2}} \:\mathrm{sin}\:^{\mathrm{2}} {x}}\:? \\ $$ Commented by john santu last updated…
Question Number 26358 by abdo imad last updated on 24/Dec/17 $${find}\:{the}\:{value}\:{of}\:\:\:\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{4}}} \:\:{tan}^{{n}} {x}\:{dx}\:\:\:\:{with}\: \\ $$$${n}\:\:{element}\:{from}\:\mathbb{N}. \\ $$ Answered by prakash jain last updated on…
Question Number 157412 by cortano last updated on 23/Oct/21 $$\:\int_{\:\mathrm{0}} ^{\:\frac{\pi}{\mathrm{2}}} \:\frac{{x}}{\mathrm{sin}\:^{\mathrm{8}} {x}+\mathrm{cos}\:^{\mathrm{8}} {x}}\:{dx}\:? \\ $$ Answered by phanphuoc last updated on 23/Oct/21 $$\int_{\mathrm{0}} ^{\pi/\mathrm{2}}…
Question Number 91842 by jagoll last updated on 03/May/20 $$\int\:\frac{{dx}}{{x}\sqrt{\mathrm{4}{x}^{\mathrm{2}} +\mathrm{2}{x}−\mathrm{1}}}\:? \\ $$ Commented by mathmax by abdo last updated on 03/May/20 $${I}\:=\int\:\:\frac{{dx}}{{x}\sqrt{\mathrm{4}{x}^{\mathrm{2}} +\mathrm{2}{x}−\mathrm{1}}}\:\:{let}\:{solve}\:\mathrm{4}{x}^{\mathrm{2}} \:+\mathrm{2}{x}−\mathrm{1}\:=\mathrm{0}\:\rightarrow…
Question Number 91844 by Power last updated on 03/May/20 Commented by mr W last updated on 03/May/20 $${you}\:{are}\:{back}!\:{the}\:{same}\:{questions}\:{seem} \\ $$$${to}\:{be}\:{back}\:{too}… \\ $$ Commented by mr…
Question Number 91840 by M±th+et+s last updated on 03/May/20 $${solve}\: \\ $$$${y}\:{y}''=\left({y}'\right)^{\mathrm{2}} +{y}'\sqrt{{y}^{\mathrm{2}} +\left({y}'\right)^{\mathrm{2}} } \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 26270 by ibraheem160 last updated on 23/Dec/17 $$\int\sqrt{{cosec}\left({x}\right)}{dx} \\ $$ Commented by prakash jain last updated on 24/Dec/17 $$\mathrm{Please}\:\mathrm{provide}\:\mathrm{some}\:\mathrm{context}. \\ $$$$\mathrm{This}\:\mathrm{integral}\:\mathrm{cannot}\:\mathrm{be}\:\mathrm{expressed} \\ $$$$\mathrm{in}\:\mathrm{terms}\:\mathrm{of}\:\mathrm{elementry}\:\mathrm{functiin}.…
Question Number 26248 by gunawan last updated on 23/Dec/17 $$\:\underset{{n}\rightarrow\infty} {\mathrm{lim}}\:\int_{\mathrm{0}} ^{\mathrm{1}} \frac{{x}^{{n}} }{\mathrm{cos}\:{x}}{dx}= \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 26242 by abdo imad last updated on 22/Dec/17 $${prove}\:{that}\:\:\sum_{{k}=\mathrm{0}} ^{{k}={n}} \:\:{cos}^{\mathrm{2}} \left({kx}\right)=\:\frac{{n}+\mathrm{1}}{\mathrm{2}}\:\:+\:\frac{{sin}\left(\left({n}+\mathrm{1}\right){x}\right){cos}\left({nx}\right)}{\mathrm{2}\:{sinx}} \\ $$$${x}\:{from}\:{R}−\left\{\:{k}\pi.{k}\varepsilon{Z}\right\}{then}\:{find}\:{the}\:{value}\:{of}\:{integral} \\ $$$$\int_{\mathrm{0}} ^{\pi} \:\:\frac{{sin}\left(\left({n}+\mathrm{1}\right){x}\right){cos}\left({nx}\right)}{{sinx}}{dx} \\ $$$$ \\ $$ Commented…
Question Number 26241 by Absa raj last updated on 23/Dec/17 $$\int\sqrt{\mathrm{sin}\:\theta}{d}\theta \\ $$$${integration}\:?? \\ $$$${solve}\:{quickly} \\ $$ Commented by prakash jain last updated on 24/Dec/17…