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Integration and applications of integration — Question 2

QCAA 2021, Paper 2 · 1 mark

Q2 · 2021 · Technology-activeSimple familiar1 mark

QUESTION 2

Determine the area of the shaded region between the graphs of the functions y=13sec⁡(x3)y=\frac13\sec\left(\frac{x}{3}\right) and y=2cos⁡(x2)y=2\cos\left(\frac{x}{2}\right), as shown.
Shaded region between the two curves in the official question.
(A)
5.295.29 units2^2
(B)
5.515.51 units2^2
(C)
5.655.65 units2^2
(D)
5.715.71 units2^2
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