Menu Close

Category: Limits

lim-x-pi-8-cot-4x-cos-4x-pi-8x-3-

Question Number 115195 by bemath last updated on 24/Sep/20 limxπ8cot4xcos4x(π8x)3? Answered by bobhans last updated on 24/Sep/20 letx=π8+p;p0$$\underset{{p}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{cot}\:\left(\mathrm{4}{p}+\frac{\pi}{\mathrm{2}}\right)−\mathrm{cos}\:\left(\mathrm{4}{p}+\frac{\pi}{\mathrm{2}}\right)}{\left(−\mathrm{8}{p}\right)^{\mathrm{3}}…