Category: Algebra

Question Number 202356 by hardmath last updated on 25/Dec/23 $$\mathrm{Find}:$$$$1-{\left(\sin 30°\right)}^2+{\left(\sin 30°\right)}^4-{\left(\sin 30°\right)}^6+\dots$$ Answered by Rasheed.Sindhi last updated on 25/Dec/23 $$\mathrm{1}−\left(\mathrm{sin30}°\right)^{\mathrm{2}}…

Question Number 202359 by hardmath last updated on 25/Dec/23 $$2,8,32,\dots \mathrm{geometfic}\mathrm{serie}$$$$\mathrm{for}{\mathrm{b}}_{\mathbf{m}}>1024\mathrm{find}\min \left(\mathrm{m}\right)=?$$ Answered by Rasheed.Sindhi last updated on 25/Dec/23 $$\mathrm{b}_{\mathrm{n}} =\mathrm{ar}^{\mathrm{n}−\mathrm{1}} \:;\:\mathrm{a}=\mathrm{2}\:,\mathrm{r}=\mathrm{8}/\mathrm{2}=\mathrm{4}…

Question Number 202352 by cortano12 last updated on 25/Dec/23 Commented by cortano12 last updated on 26/Dec/23 Commented by cortano12 last updated on 26/Dec/23 $$\mathrm{it}\:\mathrm{is}\:\mathrm{correct}\:? \…

Question Number 202300 by hardmath last updated on 24/Dec/23 $$$$Parvin leaves home to go to school. After walking 3/8 of the way, he…

Question Number 202302 by hardmath last updated on 24/Dec/23 $$\mathrm{If}\frac{3\mathrm{cosx}+2\mathrm{sinx}}{\mathrm{cosx}-\mathrm{sinx}}=4\mathrm{find}\mathrm{ctgx}=?$$ Answered by cortano12 last updated on 24/Dec/23 $$\iff \underbrace{\mathcal{X}}$$ Answered by MM42…