Question

Calcule a tag de 210° é tag pi/6

Answer 1

180>>>> pi.rad
210>>>> x
x=210.pi.rad/180=7pi.rad/6=pi+(pi.rad/6)
tg210=tg30
tgx=senx/cosx
tg30=sen30/cos/30
tg30=(1/2)÷(V3/2)=(1/2)×(2/V3)=1/V3=V3/(V3.V3)=V3/3
tg210°=tg30°=tgpi.rad/6=V3/3
Abraços