Category: Algebra

Question Number 67711 by naka3546 last updated on 30/Aug/19 $$Findthevalueof$$$$\frac{1}{{\cos }^2\left(10°\right)}+\frac{1}{{\sin }^2\left(20°\right)}+\frac{1}{{\sin }^2\left(40°\right)}$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 2135 by Rasheed Soomro last updated on 04/Nov/15 $$Solvethefollowingsystemofinequalities$$$${b}^{\mathrm{2}} {x}^{\mathrm{2}} +{a}^{\mathrm{2}} {y}^{\mathrm{2}} \:\leqslant{a}^{\mathrm{2}} {b}^{\mathrm{2}} \:\:\wedge\:\:\:{a}^{\mathrm{2}} {x}^{\mathrm{2}} +{b}^{\mathrm{2}} {y}^{\mathrm{2}} \:\leqslant{a}^{\mathrm{2}} {b}^{\mathrm{2}\:} \:\:;\:\:\:{a},{b}\neq\mathrm{0}…

Question Number 133201 by Tojiboyeva Kamolahon last updated on 19/Feb/21 $$\sqrt{81}$$ Answered by MJS_new last updated on 20/Feb/21 $$-3^2{\mathrm{e}}^{\mathrm{i}\pi }$$ Commented…

Question Number 133180 by mathlove last updated on 19/Feb/21 Commented by mr W last updated on 19/Feb/21 $$norealsolution!$$$$x^x⩾\frac{1}{\sqrt[e]{e}}\approx 0.692$$$$\frac{1}{256}<<0.692$$$$\Rightarrow{x}^{{x}}…

Question Number 133072 by bemath last updated on 18/Feb/21 $$\mathrm{Show}\mathrm{that}\frac{5}{2-\sqrt[4]{3}}\mathrm{is}\mathrm{in}{\mathrm{F}}_2\mathrm{by}\mathrm{expressing}$$$$\mathrm{the}\mathrm{number}\mathrm{in}\mathrm{form}{a}_1+b_1\sqrt{k_1}\mathrm{where}$$$$a_1,b_1,k_{1}arein{F}_1$$ Answered by…