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Q5.a) Draw the graph of the function, y = tan x, in the range x = 4.40 to x = 4.60 radians, in the intervals of 0.05 radians.

Suggested scales: horizontal axis 2 cm = 0.05

vertical axis 2 cm = 0.5

b) Use the graph drawn in Q5 (a)to determine the solution of the equation tan x = 3.5(2)

c) By drawing a suitable straight-line graph on the graph drawn in Q5(a),

solve the equation

x = tan x (4)