please help me....im finding it difficult to graph these:

Graph each function over 2 cycles:

1) y = 2cos (x+5pi/3) - 2

2) y = 5cos (x-7pi/6) + 2

i would like steps on how to go about graphing these functions (like how to set the x-axis scale at, etc. etc.) please keep in mind that i am terrible at radians and fractions as it is. im so frustrated