Category: Vector

Question Number 170079 by depressiveshrek last updated on 16/May/22 $$\mid \overrightarrow{a}\mid =1$$$$\mid \overrightarrow{b}\mid =2$$$$\sphericalangle (\overrightarrow{a},\overrightarrow{b})=\frac{\pi }{3}$$$$\mid \overrightarrow{a}+\overrightarrow{b}\mid =?$$ Answered…

Question Number 169640 by MikeH last updated on 05/May/22 $$\int \cos \left(x^7\right)dx=$$ Commented by mkam last updated on 05/May/22 $$$$$$=\:\int\:\Sigma\:\left(−\mathrm{1}\right)^{{n}} \:×\:\frac{{x}^{\mathrm{14}{n}} }{\left(\mathrm{2}{n}\right)!}\:{dx}\:=\:\Sigma\:\frac{\left(−\mathrm{1}\right)^{{n}}…

Question Number 169308 by rexford last updated on 28/Apr/22 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 103190 by bemath last updated on 13/Jul/20 $$\underset{\pi /4}{\stackrel{\pi /2}{\int }}\ln \left(\ln \left(\tan x\right)\right)dx$$ Answered by abdomathmax last updated on 13/Jul/20 $$\mathrm{ln}\left(\mathrm{tanx}\right)\:=\mathrm{t}\:\Rightarrow\:\mathrm{I}\:=\int_{\frac{\pi}{\mathrm{4}}} ^{\frac{\pi}{\mathrm{2}}} \mathrm{ln}\left(\mathrm{ln}\left(\mathrm{tanx}\right)\right)\mathrm{dx} \…

Question Number 167878 by rexford last updated on 28/Mar/22 Terms of Service Privacy Policy Contact: info@tinkutara.com