Question Number 4730 by Rojaye Shegz last updated on 01/Mar/16 $$\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} \:\frac{{dx}}{{sinx}^{{cosx}\:} \:\:+\:\:\:\:{cosx}^{{sinx}\:} } \\ $$ Commented by prakash jain last updated on 01/Mar/16…
Question Number 4728 by 123456 last updated on 01/Mar/16 $$\mathrm{if}\:\mid{x}^{\mathrm{2}} −{c}\mid\leqslant\epsilon,\:{c}\in\mathbb{R},{c}\geqslant\mathrm{0} \\ $$$$\mathrm{does}? \\ $$$$\mid{x}−\sqrt{{c}}\mid\leqslant\epsilon \\ $$ Commented by Yozzii last updated on 01/Mar/16 $$\mid\left({x}−\sqrt{{c}}\right)\mid\mid{x}+\sqrt{{c}}\mid\leqslant\epsilon…
Question Number 135797 by benjo_mathlover last updated on 16/Mar/21 $$ \\ $$How do you solve f(3) when f(-1) = -1 and f(0) =1 and f(x)…
Question Number 70262 by mathmax by abdo last updated on 02/Oct/19 $${calculate}\:\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{4}}} {ln}\left({cosx}\right){dx}\:\:{and}\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{4}}} {ln}\left({sinx}\right){dx} \\ $$ Commented by mathmax by abdo last updated…
Question Number 135798 by ajfour last updated on 16/Mar/21 Commented by ajfour last updated on 16/Mar/21 $${When}\:{you}\:{can}\:{see}\:\mathrm{9}\:{of}\:{them}\:{in} \\ $$$${each}\:{row},\:{instead}\:{of}\:\mathrm{8}\:{in} \\ $$$${each}\:{row},\:{the}\:{image}\:{turns} \\ $$$${holographic}! \\ $$…
Question Number 4724 by 123456 last updated on 29/Feb/16 $$\mathrm{how}\:\mathrm{the}\:\mathrm{gravity}\:\mathrm{work}\:\mathrm{on}\:\mathrm{a}\:\mathbb{R}^{\mathrm{4}} \:\mathrm{universe}? \\ $$$$\mathrm{does}\:\mathrm{any}\:\mathbb{R}^{\mathrm{3}} \:\mathrm{people}\:\mathrm{will}\:\mathrm{be}\:\mathrm{atracted}\:\mathrm{by} \\ $$$$\mathrm{some}\:“\mathrm{ghost}''\:\mathrm{object}? \\ $$ Commented by Yozzii last updated on 29/Feb/16…
Question Number 4723 by Yozzii last updated on 29/Feb/16 $${Does}\:{time}\:{exist}? \\ $$ Commented by prakash jain last updated on 29/Feb/16 $$\mathrm{Background}? \\ $$ Commented by…
Question Number 135792 by benjo_mathlover last updated on 16/Mar/21 $${Find}\:{the}\:{minimum}\:{value} \\ $$$${of}\:\mid\mathrm{sin}\:{x}+\mathrm{cos}\:{x}+\mathrm{tan}\:{x}+\mathrm{cot}\:{x}+\mathrm{sec}\:{x}+\mathrm{csc}\:{x}\mid\: \\ $$$${for}\:{real}\:{numbers}\:{x}. \\ $$ Answered by MJS_new last updated on 16/Mar/21 $${x}={t}+\frac{\mathrm{5}\pi}{\mathrm{4}}\:\mathrm{leads}\:\mathrm{to} \\…
Question Number 135795 by benjo_mathlover last updated on 16/Mar/21 $${What}\:{the}\:{value}\:{of}\:\left(\mathrm{1}−\mathrm{cot}\:\mathrm{23}°\right)\left(\mathrm{1}−\mathrm{cot}\:\mathrm{22}°\right). \\ $$ Answered by MJS_new last updated on 16/Mar/21 $$\left(\mathrm{1}−\mathrm{cot}\:\left(\frac{\mathrm{45}}{\mathrm{2}}−{x}\right)\right)\left(\mathrm{1}−\mathrm{cot}\:\left(\frac{\mathrm{45}}{\mathrm{2}}+{x}\right)\right)=\mathrm{2} \\ $$ Answered by liberty…
Question Number 70256 by behi83417@gmail.com last updated on 02/Oct/19 Commented by behi83417@gmail.com last updated on 02/Oct/19 $$\mathrm{ABCD},\mathrm{is}\:\mathrm{a}\:\mathrm{squre}. \\ $$$$\mathrm{F},\mathrm{is}\:\mathrm{midpoint}\:\mathrm{of}\:\mathrm{AC}. \\ $$$$\mathrm{1}.\mathrm{if}:\:\:\:\boldsymbol{\mathrm{DF}}=\mathrm{4},\boldsymbol{\mathrm{EB}}=\mathrm{3},\mathrm{area}\:\mathrm{of}:\boldsymbol{\mathrm{ACE}}=? \\ $$$$\mathrm{2}.\mathrm{if}:\boldsymbol{\mathrm{AC}},\mathrm{be}\:\mathrm{diagonal},\mathrm{but}\:\mathrm{AF}\neq\mathrm{FC}\:\mathrm{and}: \\ $$$$\mathrm{DF}=\mathrm{4},\mathrm{FE}=\mathrm{2},\mathrm{EB}=\mathrm{3},\mathrm{now}\:\mathrm{find}\:\mathrm{area}\:\mathrm{of}:\mathrm{ACE}.…