Question Number 8105 by 314159 last updated on 30/Sep/16 $${Prove}\:{that}\:,{for}\:{any}\:{acute}\:{angle}\:\alpha\: \\ $$$${sec}\alpha\:{cosec}\alpha\:+{tan}\alpha\:+{cot}\alpha\:\geqslant\mathrm{4}. \\ $$ Commented by Yozzia last updated on 30/Sep/16 $${f}\left({x}\right)=\frac{\mathrm{1}}{{cosxsinx}}+\frac{{sinx}}{{cosx}}+\frac{{cosx}}{{sinx}} \\ $$$${f}\left({x}\right)=\frac{\mathrm{1}}{{cosxsinx}}+\frac{\mathrm{1}}{{sinxcosx}} \\…
Question Number 8093 by Tinku Tara last updated on 30/Sep/16 $$\mathrm{App}\:\mathrm{has}\:\mathrm{been}\:\mathrm{updated}\:\left(\mathrm{ver}\:\mathrm{1}.\mathrm{48}\right) \\ $$$$\bullet\:\mathrm{Customizable}\:\mathrm{key}\:\mathrm{screen}\:\bigstar \\ $$$$\:\:\:\:\mathrm{long}\:\mathrm{press}\:\mathrm{on}\:\mathrm{any}\:\mathrm{key}\:\mathrm{on}\:\mathrm{that}\:\mathrm{screen} \\ $$$$\:\:\:\:\mathrm{to}\:\mathrm{change}\:\mathrm{the}\:\mathrm{symbol}\:\mathrm{on}\:\mathrm{that}\:\mathrm{location} \\ $$$$\bullet\:\:\mathrm{Choose}\:\mathrm{default}\:\mathrm{font}\:\mathrm{size}\:\mathrm{and}\:\mathrm{style} \\ $$$$\bullet\:\:\mathrm{option}\:\mathrm{menu}\:\mathrm{for}\:\mathrm{quicker}\:\mathrm{access}\:\mathrm{to}\:\mathrm{long} \\ $$$$\:\:\:\:\:\mathrm{press}\:\mathrm{menu} \\ $$$$\bullet\:\:\:\mathrm{new}\:\mathrm{symbols}\:\mathrm{and}\:\mathrm{right}\:\mathrm{curly}\:\mathrm{brace}\:\mathrm{matrix}…
Question Number 8073 by 314159 last updated on 29/Sep/16 Commented by 123456 last updated on 30/Sep/16 $$\mathrm{cosh}\left({x}\right)=\frac{{e}^{{x}} +{e}^{−{x}} }{\mathrm{2}} \\ $$$${x}^{\mathrm{4}} +{x}^{−\mathrm{4}} =\mathrm{47} \\ $$$${x}={e}^{{t}}…
Question Number 8066 by Chantria last updated on 29/Sep/16 $${calculate}\: \\ $$$$\:\underset{{n}\rightarrow\infty} {{lim}}\frac{{n}}{\mathrm{2}^{\sqrt{{n}}} } \\ $$$$ \\ $$ Answered by prakash jain last updated on…
Question Number 139124 by 7770 last updated on 22/Apr/21 $${x}^{\mathrm{2}} +{x}−\mathrm{2}\sqrt{{x}}=\mathrm{36} \\ $$$$\boldsymbol{\mathrm{find}}\:\boldsymbol{\mathrm{x}} \\ $$ Answered by MJS_new last updated on 22/Apr/21 $$\mathrm{you}\:\mathrm{can}\:\mathrm{only}\:\mathrm{approximate}.\:\mathrm{I}\:\mathrm{get} \\ $$$${x}\approx\mathrm{5}.\mathrm{91193369}…
Question Number 73595 by mr W last updated on 13/Nov/19 $${i}\:{ask}\:{all}\:{of}\:{you}\:{not}\:{to}\:{answer}\:{any} \\ $$$${question}\:{from}\:{www} \\ $$$$\left(\:=\:{amirley}\:{or}\:{something}\:{like}\:{this}\right) \\ $$$$\left(=\:{best}\right) \\ $$$$\left(={azodbek}\:{or}\:{something}\:{like}\:{this}\right) \\ $$$${this}\:{guy}\:{is}\:{not}\:{to}\:{help}!\:{he}\:{misuses} \\ $$$${your}\:{help}\:{and}\:{deletes}\:{his}\:{posts}\:{as} \\ $$$${soon}\:{as}\:{you}\:{have}\:{answered}\:{them}.…
Question Number 73582 by arkanmath7@gmail.com last updated on 13/Nov/19 $${Could}\:{you}\:{help}\:{me}\:{with}\:{references} \\ $$$${in}\:{complex}\:{analysis}\:{please}? \\ $$ Commented by mathmax by abdo last updated on 14/Nov/19 $${search}\:{vuibert}\:{and}\:{ellipse}\:{collection}…. \\…
Question Number 139123 by dayladau1234 last updated on 22/Apr/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 73553 by 01 last updated on 13/Nov/19 $$\mathrm{give}:\:\mathrm{a},\mathrm{b},\mathrm{c}>\mathrm{0} \\ $$$$\mathrm{if}\:\mathrm{a}\mid\mathrm{b}\:\mathrm{and}\:\mathrm{b}\mid\mathrm{c} \\ $$$$\mathrm{prove}\::\:\mathrm{a}\mid\mathrm{c} \\ $$ Answered by Rio Michael last updated on 13/Nov/19 $${a}\mid{b}\:\Leftrightarrow\:\exists\:{k}\in\mathbb{Z}\::\:\:{b}\:=\:{ka}\:……\left({i}\right)…
Question Number 7988 by Tinku Tara last updated on 26/Sep/16 $$\boldsymbol{\mathrm{Feedback}}\:\boldsymbol{\mathrm{request}} \\ $$$$\bullet\:\mathrm{Any}\:\mathrm{symbols}\:\mathrm{that}\:\mathrm{needs}\:\mathrm{to}\:\mathrm{be} \\ $$$$\:\:\:\:\mathrm{added}.\:\mathrm{We}\:\mathrm{are}\:\mathrm{aware}\:\mathrm{of}\:\mathrm{the}\:\mathrm{following} \\ $$$$\:\:\:\:\mathrm{which}\:\mathrm{will}\:\mathrm{be}\:\mathrm{added}\:\mathrm{in}\:\mathrm{next}\:\mathrm{update}: \\ $$$$\:\:\:\:-\:\mathrm{vertical}\:\mathrm{dots}\: \\ $$$$\:\:\:\:-\:\mathrm{contour}\:\mathrm{integral} \\ $$$$\:\:\:\:-\:\mathrm{is}\:\mathrm{congurant}\:\mathrm{to} \\ $$$$\mathrm{Please}\:\mathrm{let}\:\mathrm{us}\:\mathrm{know}\:\mathrm{any}\:\mathrm{symbols}…