oblicz ;  tg43° x tg44° x tg45° x tg46° x tg47°  prosze o pomoc:(

[latex]tg43*tg44*tg45*tg46*tg47= \ =tg(90-47)*tg(90-46)*tg45*tg46*tg47= \ ctg47*ctg46*ctg45*tg46*tg47= \ ctg47*tg47*ctg46*tg46*tg45= \ 1*1*1=1[/latex] [latex]Ctg alpha *tg alpha =1[/latex]

oblicz ; a) cos²45°+sin60°- tg45°- cos30° b) tg43° x tg44° x tg45° x tg46° x tg47°  prosze o pomoc:(

oblicz ; a) cos²45°+sin60°- tg45°- cos30° b) tg43° x tg44° x tg45° x tg46° x tg47°  prosze o pomoc:(...