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Calculati tg(x+pi/3) stiind ca tg x=1/2
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Răspuns :

Semaka2
Tg(x+π/3)=(tgx+tgπ/3)/(1-tgx*tgπ/3)=
(1/2+√3)/(1/2-√3)=(1+2√3)(1-2√3)=a,plifici   cu  conjugata=
(1+2√3)²/(1-4*3)=((1+2√3)²/(-11)