The given trigonometric equations are y = tanx, y = tan(x + C).
\The first trigonometric equation is y = tanx.
\To find the period, If one cycle:
.
(argument = x)
To graph of the trigonometric equation is y = tanx,
.

The first trigonometric equation is y = tan(x + C).
\
(Substitute
)
To find the period, If one cycle:
.
(argument =
)
(Subtract
from each side)


To graph of the trigonometric equations are y = tanx,
,
.
The graph is shifted
to the left.
The solution of graph in trigonometric equations are y = tanx,
,
.