How do you graph y=3tan(1/2x)-2?

1 Answer
Aug 2, 2018

As below.

Explanation:

y = 3 tan (x/2) - 2

Standard form of tangent function is y = A tan(Bx - C) + D

A = 3, B = 1/2, C = 0, D = -2

Amplitude = NONE for tangent function.

Period = (pi) / |B| = pi / (1/2) = 2pi

Phase Shift = (-C) / B = 0

Vertical Shift = D = -2

graph{3 tan(x/2) - 2 [-10, 10, -5, 5]}