import math


def get_camera_side_radius(angle: float, camera_distance: float) -> float:
    """Gets the length of the sides of the triangle FOV when rendering the triangle vertices

    :param angle: The angle of the camera in radians in our own coordinate space, where 0 is East and PI / 2 is North
    :param camera_distance: The distance that the camera can see on average in meters (this is not an exact measurement, this is just a general statement about how far the camera can see)
    :return: Returns the length of the side of the triangle FOV
    """

    return camera_distance / math.cos(angle)