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Category: Relation and Functions

calculate-lim-x-pi-4-sin-2x-sin-x-pi-4-sinx-cosx-

Question Number 42781 by maxmathsup by imad last updated on 02/Sep/18 calculatelimxπ4sin(2x)sin(xπ4)sinxcosx Commented by maxmathsup by imad last updated on 04/Oct/18 $${let}\:{A}\left({x}\right)=\frac{{sin}\left(\mathrm{2}{x}\right){sin}\left({x}−\frac{\pi}{\mathrm{4}}\right)}{{sinx}−{cosx}}\:\:{we}\:{have}\:{A}\left({x}\right)=\frac{{sin}\left(\mathrm{2}{x}\right){sin}\left({x}−\frac{\pi}{\mathrm{4}}\right)}{\:\sqrt{\mathrm{2}}{sin}\left({x}−\frac{\pi}{\mathrm{4}}\right)}…