Question Number 17901 by chux last updated on 12/Jul/17 Commented by chux last updated on 12/Jul/17 $$\mathrm{find}\:\mathrm{the}\:\mathrm{radius}\:\mathrm{of}\:\mathrm{the}\:\mathrm{big}\:\mathrm{and} \\ $$$$\mathrm{small}\:\mathrm{circle} \\ $$ Commented by chux last…
Question Number 148971 by Rankut last updated on 01/Aug/21 $$\:\mathrm{2}^{\mathrm{2}+{x}} −\mathrm{3}^{\mathrm{2}{x}+{y}} =−\mathrm{11} \\ $$$${and}\:\:\:\mathrm{2}^{{x}+\mathrm{1}} +\mathrm{3}^{\mathrm{3}{y}} =\mathrm{11} \\ $$$$\:{find}\:\:{x}\:{and}\:\:{y} \\ $$ Terms of Service Privacy Policy…
Question Number 83430 by jagoll last updated on 02/Mar/20 $$\mathrm{prove}\:\mathrm{that}? \\ $$$$\mathrm{sin}\:\mathrm{3}\theta\:\mathrm{sin}^{\mathrm{3}} \:\theta\:+\:\mathrm{cos}\:\mathrm{3}\theta\:\mathrm{cos}\:^{\mathrm{3}} \theta\:=\:\: \\ $$$$\mathrm{cos}\:^{\mathrm{3}} \:\left(\mathrm{2}\theta\right) \\ $$ Answered by mind is power last…
Question Number 17895 by ajfour last updated on 12/Jul/17 Commented by ajfour last updated on 12/Jul/17 $$\mathrm{solution}\:\mathrm{to}\:\mathrm{Q}.\mathrm{17872}\: \\ $$$$\mathrm{which}\:\mathrm{said}:\:\:\mathrm{Solve} \\ $$$$\:\mid\mathrm{x}−\mathrm{1}\mid+\mid\mathrm{x}\mid+\mid\mathrm{x}+\mathrm{1}\mid=\mathrm{x}+\mathrm{2} \\ $$ Commented by…
Question Number 148961 by DomaPeti last updated on 01/Aug/21 $$\left({L}\centerdot\sqrt{{x}^{\mathrm{2}} +{y}^{\mathrm{2}} }+{n}_{\mathrm{0}} \right){sin}\left({atan}\left({df}\left({x}\right)/{dx}\right)\right)={c} \\ $$$${f}\left({x}\right)=? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 148960 by tabata last updated on 01/Aug/21 $${find}\:{the}\:{resideo}\:{f}\left({z}\right)=\frac{{z}}{{z}^{{n}} −\mathrm{1}} \\ $$ Answered by mathmax by abdo last updated on 02/Aug/21 $$\mathrm{les}\:\mathrm{residus}\:\mathrm{ici}\:\mathrm{sont}\:\mathrm{les}\:\mathrm{poles}\:\mathrm{de}\:\mathrm{f}\:\:\mathrm{et}\:\mathrm{se}\:\mathrm{sent}\:\mathrm{les}\:\mathrm{racines}\:\mathrm{n}^{\mathrm{eme}} \:\mathrm{de}\:\mathrm{lunite} \\…
Question Number 17890 by Ruth1 last updated on 12/Jul/17 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 83425 by jagoll last updated on 02/Mar/20 $$\frac{\mathrm{tan}\:\mathrm{3a}}{\mathrm{tan}\:\mathrm{a}}\:=\:\mathrm{k} \\ $$$$\mathrm{show}\:\mathrm{that}\:\frac{\mathrm{sin}\:\mathrm{3a}}{\mathrm{sin}\:\mathrm{a}}\:=\:\frac{\mathrm{2k}}{\mathrm{k}−\mathrm{1}} \\ $$ Commented by jagoll last updated on 02/Mar/20 $$\mathrm{tan}\:\mathrm{3a}\:=\:\mathrm{k}\:\mathrm{tan}\:\mathrm{a} \\ $$$$\frac{\mathrm{3tan}\:\mathrm{a}−\mathrm{tan}\:^{\mathrm{3}} \mathrm{a}}{\mathrm{1}−\mathrm{3tan}\:^{\mathrm{2}}…
Question Number 17886 by b.e.h.i.8.3.417@gmail.com last updated on 11/Jul/17 Commented by b.e.h.i.8.3.417@gmail.com last updated on 12/Jul/17 $$\left.\mathrm{1}\right){circle}\:{radius}={R} \\ $$$$\left.\mathrm{2}\right){acute}\:{angle}\:{between}\:{chords}:{AB}\:,\:{CD}=\varphi \\ $$$${find}:\:{AP}^{\mathrm{2}} +{BP}^{\mathrm{2}} +{CP}^{\mathrm{2}} +{DP}^{\mathrm{2}} .…
Question Number 83420 by jagoll last updated on 02/Mar/20 $$\mathrm{find}\:\mathrm{range}\:\mathrm{x}\:\mathrm{of}\:\mathrm{function}\: \\ $$$$\mathrm{x}−\mathrm{4}\sqrt{\mathrm{y}}\:=\:\mathrm{2}\sqrt{\mathrm{x}−\mathrm{y}} \\ $$ Commented by mathmax by abdo last updated on 02/Mar/20 $${we}\:{have}\:\mathrm{0}\leqslant{y}\leqslant{x}\:\:\:\left({e}\right)\Rightarrow\left({x}−\mathrm{4}\sqrt{{y}}\right)^{\mathrm{2}} =\mathrm{4}\left({x}−{y}\right)\:\Rightarrow…