Oblicz
sin (30 + 120) * tg 930
sin(180-α)=sinα
sin150=sin(180-30)=sin30=1/2
tg930= tg(30 +5*180)=tg30=√3/2
1/2*√3/2=√3/4
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
sin(180-α)=sinα
sin150=sin(180-30)=sin30=1/2
tg930= tg(30 +5*180)=tg30=√3/2
1/2*√3/2=√3/4