Question Number 1830 by 112358 last updated on 10/Oct/15 $${Show}\:{that}\:{given} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\mathrm{4}{cos}\frac{\pi}{\mathrm{3}}+\mathrm{2}\sqrt{\mathrm{3}}{sin}\frac{\pi}{\mathrm{3}}=\mathrm{5} \\ $$$${then} \\ $$$$\:\:\:\:\:\:\:\pi=\mathrm{3}{cos}^{−\mathrm{1}} \left(\frac{\mathrm{5}}{\:\sqrt{\mathrm{28}}}\right)+\mathrm{3}{tan}^{−\mathrm{1}} \left(\frac{\sqrt{\mathrm{3}}}{\mathrm{2}}\right)\:. \\ $$ Answered by Rasheed Soomro last…
Question Number 1828 by Filup last updated on 07/Oct/15 $$\mathrm{Solve}\:\mathrm{for}\:{a}\:\mathrm{and}\:\mathrm{explain}\:\mathrm{your}\:\mathrm{working} \\ $$$${a}={e}^{{a}} \\ $$ Commented by Alejandro Prieto last updated on 14/Oct/15 $$\mathrm{Gr}\acute {\mathrm{a}ficamente}\:\mathrm{podr}\acute {\mathrm{i}a}\:\mathrm{verse}\:\mathrm{que}\:\mathrm{las}\:\mathrm{funciones}…
Question Number 132899 by aurpeyz last updated on 17/Feb/21 $${an}\:{object}\:{of}\:\mathrm{12}{cm}\:{long}\:{is}\:{placed}\:{at}\:{the}\: \\ $$$${centre}\:{of}\:{curvature}\:{of}\:{concave}\:{mirror} \\ $$$${whose}\:{focal}\:{length}\:{is}\:\mathrm{40}{cm}.\:{the}\:{location} \\ $$$${of}\:{the}\:{image}\:{formed}\:{is}? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
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…