Question Number 16269 by Tinkutara last updated on 20/Jun/17 $$\mathrm{2}^{\mathrm{nd}} \:\mathrm{part}\:\mathrm{of}\:\mathrm{Q}.\:\mathrm{16214}:\:\mathrm{Prove}\:\mathrm{that} \\ $$$${r}_{\mathrm{1}} \:=\:{s}\:\mathrm{tan}\:\left(\frac{{A}}{\mathrm{2}}\right),\:{r}_{\mathrm{2}} \:=\:{s}\:\mathrm{tan}\:\left(\frac{{B}}{\mathrm{2}}\right), \\ $$$${r}_{\mathrm{3}} \:=\:{s}\:\mathrm{tan}\:\left(\frac{{C}}{\mathrm{2}}\right). \\ $$ Answered by mrW1 last updated…
Question Number 81801 by Power last updated on 15/Feb/20 Commented by mathmax by abdo last updated on 16/Feb/20 $${changement}\:{x}^{{n}} \:={cos}^{\mathrm{2}} {t}\:{give}\:{x}\:=\left({cost}\right)^{\frac{\mathrm{2}}{{n}}} \:\Rightarrow{dx}\:=−\frac{\mathrm{2}}{{n}}{sint}\:\left({cost}\right)^{\frac{\mathrm{2}}{{n}}−\mathrm{1}} \\ $$$$\Rightarrow\int_{\mathrm{0}} ^{\mathrm{1}}…
Question Number 147334 by Tawa11 last updated on 19/Jul/21 $$\mathrm{If}\:\:\:\:\mathrm{log}_{\mathrm{6}} \mathrm{30}\:\:\:=\:\:\:\mathrm{a},\:\:\:\:\:\:\:\:\:\mathrm{log}_{\mathrm{15}} \mathrm{24}\:\:\:=\:\:\:\mathrm{b},\:\:\:\:\:\:\:\:\:\:\:\mathrm{evaluate}:\:\:\:\mathrm{log}_{\mathrm{12}} \mathrm{60} \\ $$ Commented by otchereabdullai@gmail.com last updated on 20/Jul/21 $$\mathrm{nice}! \\ $$…
Question Number 81797 by TawaTawa last updated on 15/Feb/20 Commented by TawaTawa last updated on 15/Feb/20 $$\mathrm{Please}\:\mathrm{help}\:\mathrm{me}. \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 81794 by Power last updated on 15/Feb/20 Commented by Power last updated on 15/Feb/20 $$\mathrm{prove}\:\mathrm{that}\:\:\:\bigtriangleup\:\:\:\:\: \\ $$ Commented by Power last updated on…
Question Number 147328 by Mrsof last updated on 19/Jul/21 Commented by Mrsof last updated on 19/Jul/21 $${whats}\:{the}\:{right}\:{answer} \\ $$ Answered by Olaf_Thorendsen last updated on…
Question Number 147330 by Mrsof last updated on 19/Jul/21 Commented by Mrsof last updated on 19/Jul/21 $${choose}\:{the}\:{correct}\:{answer} \\ $$ Terms of Service Privacy Policy Contact:…
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Question Number 81786 by M±th+et£s last updated on 15/Feb/20 Commented by M±th+et£s last updated on 16/Feb/20 $${no}\:{its}\:{right}\:{no}\:{problem}\:{with}\:{tbe}\:{ans} \\ $$$${but}\:{i}\:{need}\:{to}\:{now}\:{how}\:{you}\:{get}\:\left({x},{y},{z}\right)=\left(\mathrm{1},\mathrm{1},\mathrm{1}\right) \\ $$ Commented by john santu…
Question Number 147320 by Gbenga last updated on 19/Jul/21 $$\mathrm{16}{x}+\mathrm{9}{y}=\mathrm{1} \\ $$$${find}\:{x}\:{and}\:{y} \\ $$ Answered by floor(10²Eta[1]) last updated on 20/Jul/21 $$\mathrm{if}\:\mathrm{x},\mathrm{y}\in\mathbb{Z}: \\ $$$$\mathrm{16x}+\mathrm{9y}=\mathrm{1} \\…