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Question-82397

Question Number 82397 by Power last updated on 21/Feb/20 Commented by Power last updated on 21/Feb/20 $$\mathrm{sir}\:\mathrm{mind}\:\mathrm{is}\:\mathrm{power}\:\:,\:\mathrm{sir}\:\mathrm{W}\:,\:\mathrm{sir}\:\mathrm{john}\:\mathrm{santu}\:\mathrm{pls} \\ $$ Commented by Power last updated on…

In-dealing-with-motion-of-projectile-in-air-we-ignore-effect-of-air-resistance-on-motion-What-would-the-trajectory-look-like-if-air-resistance-is-included-Sketch-such-a-trajectory-and-explain-why-y

Question Number 16859 by Tinkutara last updated on 27/Jun/17 $$\mathrm{In}\:\mathrm{dealing}\:\mathrm{with}\:\mathrm{motion}\:\mathrm{of}\:\mathrm{projectile}\:\mathrm{in} \\ $$$$\mathrm{air},\:\mathrm{we}\:\mathrm{ignore}\:\mathrm{effect}\:\mathrm{of}\:\mathrm{air}\:\mathrm{resistance} \\ $$$$\mathrm{on}\:\mathrm{motion}.\:\mathrm{What}\:\mathrm{would}\:\mathrm{the}\:\mathrm{trajectory} \\ $$$$\mathrm{look}\:\mathrm{like}\:\mathrm{if}\:\mathrm{air}\:\mathrm{resistance}\:\mathrm{is}\:\mathrm{included}? \\ $$$$\mathrm{Sketch}\:\mathrm{such}\:\mathrm{a}\:\mathrm{trajectory}\:\mathrm{and}\:\mathrm{explain} \\ $$$$\mathrm{why}\:\mathrm{you}\:\mathrm{have}\:\mathrm{drawn}\:\mathrm{it}\:\mathrm{that}\:\mathrm{way}. \\ $$ Terms of Service…

Suppose-x-and-y-are-vectors-in-R-n-that-have-the-same-length-show-that-x-y-bisect-the-angle-between-x-and-y-

Question Number 16857 by tawa tawa last updated on 27/Jun/17 $$\mathrm{Suppose}\:\mathrm{x}\:\mathrm{and}\:\mathrm{y}\:\mathrm{are}\:\mathrm{vectors}\:\mathrm{in}\:\mathbb{R}^{\mathrm{n}} \:\mathrm{that}\:\mathrm{have}\:\mathrm{the}\:\mathrm{same}\:\mathrm{length}.\:\mathrm{show}\:\mathrm{that} \\ $$$$\mathrm{x}\:+\:\mathrm{y}\:\:\mathrm{bisect}\:\mathrm{the}\:\mathrm{angle}\:\mathrm{between}\:\:\mathrm{x}\:\mathrm{and}\:\mathrm{y}. \\ $$ Answered by 1234Hello last updated on 06/Jul/17 $$\mathrm{It}\:\mathrm{is}\:\mathrm{just}\:\mathrm{like}\:\mathrm{vectors}\:\boldsymbol{\mathrm{i}}\:\mathrm{and}\:\boldsymbol{\mathrm{j}}. \\…

If-sin-1-2-cos-1-3-then-belongs-to-where-0-lt-lt-pi-2-1-pi-3-pi-2-2-pi-2-2pi-3-

Question Number 16855 by Tinkutara last updated on 27/Jun/17 $$\mathrm{If}\:\mathrm{sin}\:\theta\:=\:\frac{\mathrm{1}}{\mathrm{2}},\:\mathrm{cos}\:\phi\:=\:\frac{\mathrm{1}}{\mathrm{3}},\:\mathrm{then}\:\theta\:+\:\phi \\ $$$$\mathrm{belongs}\:\mathrm{to},\:\mathrm{where}\:\mathrm{0}\:<\:\theta,\:\phi\:<\:\frac{\pi}{\mathrm{2}} \\ $$$$\left(\mathrm{1}\right)\:\left(\frac{\pi}{\mathrm{3}},\:\frac{\pi}{\mathrm{2}}\right) \\ $$$$\left(\mathrm{2}\right)\:\left(\frac{\pi}{\mathrm{2}},\:\frac{\mathrm{2}\pi}{\mathrm{3}}\right) \\ $$ Answered by ajfour last updated on 27/Jun/17…

sin-x-cos-sin-x-dx-

Question Number 82391 by jagoll last updated on 21/Feb/20 $$\int\:\mathrm{sin}\:{x}\:\mathrm{cos}\:\left(\mathrm{sin}\:{x}\right)\:{dx}\:? \\ $$ Commented by M±th+et£s last updated on 21/Feb/20 $${i}\:{think}\:{that}\:{its}\:{special}\:{integral} \\ $$$${cos}\left({sin}\left({x}\right)\right)=\mathrm{1}−\frac{{sin}^{\mathrm{2}} \left({x}\right)}{\mathrm{2}{i}}+\frac{{sin}^{\mathrm{4}} \left({x}\right)}{\mathrm{4}{i}}−\frac{{sin}^{\mathrm{6}} \left({x}\right)}{\mathrm{6}{i}}+……