Question Number 2176 by Filup last updated on 06/Nov/15 $$\mathrm{Is}\:\mathrm{it}\:\mathrm{possible}\:\mathrm{to}\:\mathrm{integrate}\:\mathrm{the}\:\mathrm{following}: \\ $$$$ \\ $$$$\int\mathrm{sin}\left(\mathrm{cos}\:\theta\right){d}\theta \\ $$ Commented by 123456 last updated on 07/Nov/15 $$\mathrm{i}\:\mathrm{dont}\:\mathrm{know}\:\mathrm{if}\:\mathrm{it}\:\mathrm{help}\:\mathrm{but} \\…
Question Number 67711 by naka3546 last updated on 30/Aug/19 $${Find}\:\:{the}\:\:{value}\:\:{of} \\ $$$$\:\:\:\:\:\:\frac{\mathrm{1}}{\mathrm{cos}^{\mathrm{2}} \left(\mathrm{10}°\right)}\:+\:\frac{\mathrm{1}}{\mathrm{sin}^{\mathrm{2}} \left(\mathrm{20}°\right)}\:+\:\frac{\mathrm{1}}{\mathrm{sin}^{\mathrm{2}} \left(\mathrm{40}°\right)}\: \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 67708 by aliesam last updated on 30/Aug/19 Answered by mind is power last updated on 30/Aug/19 $${z}=\frac{{x}}{{y}} \\ $$$${y}=\frac{{x}}{{z}} \\ $$$${dy}=−\frac{{x}}{{z}^{\mathrm{2}} }{dz} \\…
Question Number 2172 by 123456 last updated on 06/Nov/15 $${f}:\mathbb{R}^{\mathrm{2}} \rightarrow\mathbb{R} \\ $$$$\frac{\partial{f}}{\partial{x}}=\frac{\partial{f}}{\partial{y}} \\ $$$${f}\left({x},{y}\right)=?? \\ $$ Answered by prakash jain last updated on 06/Nov/15…
Question Number 133240 by rexford last updated on 20/Feb/21 Answered by Kunal12588 last updated on 20/Feb/21 $${r}\:\mathrm{cos}\:\gamma\:=\:\mathrm{2} \\ $$$$\mathrm{cos}\:\gamma\:=\:\frac{\mathrm{2}}{\:\sqrt{\mathrm{4}+\mathrm{1}+\mathrm{4}}}=\frac{\mathrm{2}}{\mathrm{3}} \\ $$$$\gamma\:=\:\mathrm{cos}^{−\mathrm{1}} \frac{\mathrm{2}}{\mathrm{3}} \\ $$ Answered…
Question Number 133242 by Kunal12588 last updated on 20/Feb/21 Commented by Kunal12588 last updated on 20/Feb/21 $$\mathrm{book}\:\mathrm{says}\:\mathrm{it}\:\mathrm{is}\:\mathrm{easy}\:\mathrm{to}\:\mathrm{show}\:\mathrm{after}\:\mathrm{that} \\ $$$$\mathrm{but}\:\mathrm{how}?\:\mathrm{also}\:\mathrm{then}\:\mathrm{we}\:\mathrm{can}\:\mathrm{prove}\:\bigtriangleup\mathrm{ADB} \\ $$$$\mathrm{is}\:\mathrm{a}\:\mathrm{36}°-\mathrm{72}°-\mathrm{72}°\:\mathrm{triangle} \\ $$ Terms of…
Question Number 2168 by Yozzi last updated on 06/Nov/15 $${The}\:{equation}\:{of}\:{an}\:{ellipse}\:{is}\:{given} \\ $$$${as}\: \\ $$$$\:\:{x}^{\mathrm{2}} +\left({y}+\mathrm{2}{xcot}\mathrm{2}\theta\right)^{\mathrm{2}} =\mathrm{1}\:\:\:\:\left(\mathrm{0}<\theta<\mathrm{0}.\mathrm{25}\pi\right). \\ $$$${Show}\:{that}\:{the}\:{minimum}\:{and}\:{maximum} \\ $$$${distances}\:{from}\:{the}\:{centre}\:{to}\:{the}\: \\ $$$${circumference}\:{of}\:{this}\:{ellipse}\:{are} \\ $$$${tan}\theta\:{and}\:{cot}\theta\:{respectively}.\: \\…
Question Number 67698 by mhmd last updated on 30/Aug/19 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 2163 by Filup last updated on 06/Nov/15 $$\mathrm{For}:\:{y}={f}\left({x}\right)\:\rightarrow\:{x}={g}\left({y}\right) \\ $$$$\mathrm{Therefore}: \\ $$$$\begin{cases}{{x}\left({t}\right)={t}}\\{{y}\left({t}\right)={f}\left({t}\right)}\end{cases} \\ $$$$\mathrm{let}\:\boldsymbol{{r}}\left({t}\right)=\langle{x}\left({t}\right),\:{y}\left({t}\right)\rangle \\ $$$$ \\ $$$$\therefore\int\boldsymbol{{r}}{dt}=\langle\int{tdt},\:\int{f}\left({t}\right){dt}\rangle \\ $$$$ \\ $$$$\mathrm{Does}: \\…
Question Number 67696 by mhmd last updated on 30/Aug/19 $$\int_{\mathrm{0}} ^{\mathrm{1}} \left(\mathrm{1}−{x}\right)/\left(\mathrm{1}+{x}\right){lnx}\:{dx} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com