Răspuns :
sin 45°=√2/2
sin 30°=1/2
tg 45°=1
=>√2/2 - 1/2 + 1 = (√2-1+2)/2
= (√2+1)/2
sin 30°=1/2
tg 45°=1
=>√2/2 - 1/2 + 1 = (√2-1+2)/2
= (√2+1)/2
sin 45°=√2/2
sin 30°=1/2
tg 45°=1
=>√2/2 - 1/2 + 1 = (√2-1+2)/2
= (√2+1)/2
Sper ca te.am ajutat
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