  By solving the Boltzmann transport equation we investigate theoretically the
general form of oscillations in the resistivity caused by varying the direction
of an applied magnetic field for the case of quasi-two dimensional systems on
hexagonal lattices. The presence of the angular magnetoresistance oscillations
can be used to map out the topology of the Fermi surface and we study how this
effect varies as a function of the degree of interplane warping as well as a
function of the degree of isotropic scattering. We find that the angular
dependent effect due to in-plane rotation follows the symmetry imposed by the
lattice whereas for inter-plane rotation the degree of warping dictates the
dominant features observed in simulations. Our calculations make predictions
for specific angle-dependent magnetotransport signatures in magnetic fields
expected for quasi-two dimensional hexagonal compounds similar to PdCoO2 and
PtCoO2.
