(a) Copy and complete the table of values for for .
x
0°
60°
120°
180°
240°
300°
360°
y
2.00
2.00
(b) Using a scale of 2 cm to 60° on x- axis and 2 cm to 1 unit on the y- axis, draw the graph of for . (c) Use your graph to solve the equation : . (d) Find the range of values of x for which .