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Category: Vector

show-that-if-arg-z-1-z-2-z-1-z-2-pi-2-then-z-1-z-2-

Question Number 26374 by tawa tawa last updated on 24/Dec/17 $$\mathrm{show}\:\mathrm{that}\:\:\mathrm{if}\:\:\:\:\mathrm{arg}\left(\frac{\mathrm{z}_{\mathrm{1}} \:+\:\mathrm{z}_{\mathrm{2}} }{\mathrm{z}_{\mathrm{1}} \:−\:\mathrm{z}_{\mathrm{2}} }\right)\:=\:\frac{\pi}{\mathrm{2}}\:\:\:\:\mathrm{then}\:\:\:\:\mid\mathrm{z}_{\mathrm{1}} \mid\:=\:\mid\mathrm{z}_{\mathrm{2}} \mid \\ $$ Answered by Rasheed.Sindhi last updated on…

yadi-kisi-equilatter-triangle-ke-parivrit-aur-antahvrit-ke-areas-ka-difference-44cm-2-hai-to-triangle-ka-area-kya-hoga-

Question Number 25245 by adityapratap2585@gmail.com last updated on 06/Dec/17 $$\mathrm{yadi}\:\mathrm{kisi}\:\mathrm{equilatter}\:\mathrm{triangle}\:\mathrm{ke}\: \\ $$$$\mathrm{parivrit}\:\mathrm{aur}\:\mathrm{antahvrit}\:\mathrm{ke}\:\mathrm{areas}\:\mathrm{ka}\: \\ $$$$\mathrm{difference}\:\mathrm{44cm}^{\mathrm{2}} \:\mathrm{hai}\:\mathrm{to}\:\mathrm{triangle}\:\mathrm{ka}\: \\ $$$$\mathrm{area}\:\mathrm{kya}\:\mathrm{hoga}? \\ $$ Answered by $@ty@m last updated on…

0-lt-lt-pi-2-sin-1-3-cos-1-3-tan-1-3-tan-cot-2-

Question Number 156082 by mnjuly1970 last updated on 07/Oct/21 $$ \\ $$$$\:\:\:\:\:\mathrm{0}<\:\alpha\:<\frac{\pi}{\mathrm{2}}\:\:\: \\ $$$$\left.\:\:\sqrt[{\:\mathrm{3}}]{\:{sin}\left(\alpha\right)}\:+\:\sqrt[{\mathrm{3}}]{{cos}\left(\alpha\right.}\right)=\:\sqrt[{\mathrm{3}}]{\:{tan}\left(\alpha\right)} \\ $$$$\: \\ $$$$\:\:\:\:\:\:\:\frac{\:{tan}\:\left(\alpha\:\right)\:+\:{cot}\:\left(\alpha\:\right)}{\mathrm{2}}\:=? \\ $$ Terms of Service Privacy Policy…

Question-24622

Question Number 24622 by ajfour last updated on 22/Nov/17 Commented by ajfour last updated on 22/Nov/17 $${If}\:\bar {{b}}\:{is}\:{the}\:{result}\:{of}\:{rotating}\:\bar {{a}} \\ $$$${about}\:\bar {{r}}\:{by}\:{an}\:{angle}\:\theta\:{in}\:{the} \\ $$$${manner}\:{shown},\:{then},\:{express} \\…

Question-24569

Question Number 24569 by ajfour last updated on 21/Nov/17 Commented by ajfour last updated on 21/Nov/17 $${In}\:{a}\:{gravity}\:{free}\:{cubical}\:{box},\:{a} \\ $$$${ball}\:{bounces}\:{elastically}.\:{If}\:{it}\:{be} \\ $$$${projected}\:{from}\:{origin}\:{O}\:{towards} \\ $$$${A}\left(\mathrm{4},\:\mathrm{13},\:\mathrm{16}\right),\:{a}\:{point}\:{on}\:{the}\:{roof} \\ $$$${plane}\:{then}\:{find}\:{the}\:{second}\:{and}…