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Author: Tinku Tara

0-pi-x-2-cos-2-x-xsin-x-cos-x-1-1-xsin-x-2-dx-

Question Number 205248 by universe last updated on 13/Mar/24 $$\:\:\:\int_{\mathrm{0}} ^{\pi} \:\frac{{x}^{\mathrm{2}} \mathrm{cos}^{\mathrm{2}} \left({x}\right)−{x}\mathrm{sin}\left({x}\right)−\mathrm{cos}\left({x}\right)−\mathrm{1}}{\left(\mathrm{1}+{x}\mathrm{sin}\left({x}\right)\right)^{\mathrm{2}} }{dx} \\ $$ Answered by Berbere last updated on 13/Mar/24 $$\left(\frac{{f}\left({x}\right)}{\mathrm{1}+{xsin}\left({x}\right)}+{g}\left({x}\right)\right)^{'}…

4-sin-x-2-cos-x-2-1-x-

Question Number 205217 by hardmath last updated on 13/Mar/24 $$\mathrm{4}\:\mathrm{sin}\:\frac{\mathrm{x}}{\mathrm{2}}\:\centerdot\:\mathrm{cos}\:\frac{\mathrm{x}}{\mathrm{2}}\:=\:\mathrm{1} \\ $$$$\Rightarrow\:\mathrm{x}\:=\:? \\ $$ Answered by A5T last updated on 13/Mar/24 $$\mathrm{2}{sinx}=\mathrm{2}{sin}\left(\frac{{x}}{\mathrm{2}}+\frac{{x}}{\mathrm{2}}\right)=\mathrm{4}{sin}\left(\frac{{x}}{\mathrm{2}}\right){cos}\left(\frac{{x}}{\mathrm{2}}\right)=\mathrm{1} \\ $$$$\Rightarrow{sinx}=\frac{\mathrm{1}}{\mathrm{2}}\Rightarrow{x}=\mathrm{30}°+\mathrm{360}{n};\mathrm{150}°+\mathrm{360}{n} \\…

sinx-cosx-1-x-

Question Number 205218 by hardmath last updated on 13/Mar/24 $$\mid\:\mathrm{sinx}\mid\:+\:\mid\:\mathrm{cosx}\:\mid\:=\:\mathrm{1} \\ $$$$\Rightarrow\:\mathrm{x}\:=\:? \\ $$ Answered by Sutrisno last updated on 13/Mar/24 $$ \\ $$$$\left(\mid\:\mathrm{sinx}\mid\:+\:\mid\:\mathrm{cosx}\:\mid\:\right)^{\mathrm{2}} =\:\mathrm{1}^{\mathrm{2}}…

sinx-cosx-1-sinx-cosy-1-x-

Question Number 205219 by hardmath last updated on 13/Mar/24 $$\begin{cases}{\mathrm{sinx}\:+\:\mathrm{cosx}\:=\:\mathrm{1}}\\{\mathrm{sinx}\:−\:\mathrm{cosy}\:=\:\mathrm{1}}\end{cases} \\ $$$$\Rightarrow\:\mathrm{x}\:=\:? \\ $$ Answered by Rasheed.Sindhi last updated on 13/Mar/24 $$\begin{cases}{\mathrm{sinx}\:+\:\mathrm{cosx}\:=\:\mathrm{1}…{i}}\\{\mathrm{sinx}\:−\:\mathrm{cosy}\:=\:\mathrm{1}…{ii}}\end{cases}\:\:\:;\mathrm{x}\:=\:? \\ $$$$\mathrm{cos}\:{x}+\mathrm{cos}\:{y}=\mathrm{0} \\…

Question-205204

Question Number 205204 by BaliramKumar last updated on 12/Mar/24 Answered by A5T last updated on 12/Mar/24 $${Container}\:{A}:\:{Spirit}\left(\mathrm{35}{l}\right),{Water}\left(\mathrm{45}{l}\right) \\ $$$${Container}\:{B}:\:{Spirit}\left(\frac{\mathrm{7}}{\mathrm{16}}×\mathrm{20}=\mathrm{8}.\mathrm{75}\right),{Water}\left(\mathrm{11}.\mathrm{25}\right) \\ $$$$\Rightarrow{Container}\:{A}':\:{Spirit}\left(\mathrm{26}.\mathrm{25}{l}\right),{Water}\left(\mathrm{33}.\mathrm{75}{l}\right) \\ $$$${Container}\:{A}'':\:{Spirit}\:\left(\mathrm{26}.\mathrm{25}{l}\right),{Water}\left(\mathrm{53}.\mathrm{75}{l}\right) \\ $$$${S}:{W}=\mathrm{21}:\mathrm{43}…

x-t-c-tx-t-c-is-constant-1-Find-x-t-2-Find-x-t-when-x-0-x-0-

Question Number 205172 by shunmisaki007 last updated on 12/Mar/24 $${x}\left({t}\right)={c}+{tx}'\left({t}\right)\:\mid\:{c}\:\mathrm{is}\:\mathrm{constant}. \\ $$$$\left(\mathrm{1}\right)\:\mathrm{Find}\:{x}\left({t}\right). \\ $$$$\left(\mathrm{2}\right)\:\mathrm{Find}\:{x}\left({t}\right)\:\mathrm{when}\:{x}\left(\mathrm{0}\right)={x}_{\mathrm{0}} . \\ $$ Commented by lepuissantcedricjunior last updated on 12/Mar/24 $$\boldsymbol{{x}}\left(\boldsymbol{{t}}\right)=\boldsymbol{{c}}+\boldsymbol{{tx}}'\left(\boldsymbol{{t}}\right)\:\boldsymbol{{c}}\in\mathbb{R}…