# solve the multiple-angle equation. tan 3x - 1 = 0

solve the multiple-angle equation. $\mathrm{tan}3x-1=0$

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Khribechy

1:
$\mathrm{tan}3x-1=0$
2:
$\mathrm{tan}3x-1=1=0=1$
$\mathrm{tan}3x=1$
3:
$3x=\pi /4$
4:
$3x=\pi /4+n\pi$
5:
$x=\pi /12=\left(n\pi \right)/3$
where n is an integer