import numpy as np
graphics(
    line(tan(x), (x, -1.5*pi, 1.5*pi), detect_poles="symbolic"),
    x_ticks_formatter=multiples_of_pi_over_2(),
    ylim=(-7, 7), xlabel="x [deg]", grid=False
)
# Expected:
## Plot object containing:
## [0]: cartesian line: tan(x) for x over (-1.5*pi, 1.5*pi)