from sympy import *
from spb import *
r, theta = symbols("r, theta")
params = {
    r: (4, 0, 5),
    theta: (pi/3, 0, 2*pi),
}
graphics(
    arrow_2d(
        (0, 0), (5, 0), show_in_legend=False,
        rendering_kw={"color": "k"}),
    arrow_2d(
        (0, 0), (0, 5), show_in_legend=False,
        rendering_kw={"color": "k"}),
    arrow_2d(
        (0, 0), (r * cos(theta), r * sin(theta)),
        params=params),
    arrow_2d(
        (0, 0), (r * cos(theta + pi/2), r * sin(theta + pi/2)),
        params=params),
    xlim=(-6, 6), ylim=(-6, 6), aspect="equal",
    grid=False
)