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The table below shows values of x and the corresponding values of y for a given curve.
(a) Use the trapezium rule with seven ordinates and the values in the table in the table only to estimate the area enclosed by the curve, x axis and the line x= #pi# 2 to four decimal places. (take #pi#=3.142)
(b) The exact value of the area enclosed by the curve is known to be 0.8940.
Find the percentage error made