\input zb-basic \input zb-matheduc \iteman{ZMATH 06666184} \itemau{Arslanagi\'c, \v{S}efket; Milo\v{s}evi\'c, Dragoljub} \itemti{Yet five different ways of calculation of $\operatorname{tg}\frac{5\pi}{24}$. (Jo\v{s} pet raznih na\v{c}ina izra\v{c}unavanja $\operatorname{tg}\frac{5\pi}{24}$.)} \itemso{MAT-KOL (Banja Luka) 18, No. 2, 11-17 (2012).} \itemab Summary: In [the authors, ibid. 17, No. 2, 9--16 (2011; ME 2011f.00522)] we give nine different ways of calculation of $\operatorname{tg}\frac{5\pi}{24}$ (or $\frac 12\cdot 75^0=37^030'$) and in this paper we give yet five different ways of calculation of $\operatorname{tg}\frac{5\pi}{24}$. \itemrv{~} \itemcc{G40 G60} \itemut{angle; tangent of angle; tangent of sum; isosceles triangle; right triangle; equilateral triangle; Pythagoras theorem; law of cosines; rhombus; deltoid; Mollweide's formulas} \itemli{http://www.imvibl.org/dmbl/meso/mat\_kol\_18\_2\_2012/mat\_kol\_18\_2\_12\_11\_17.pdf} \end