TMUA 2022 · Paper 2 · Question 18 · Trigonometry

The following graphs (P, Q, R, and S) represent the functions:

y = (cos x)^{c o s x}, y = (sin x)^{s i n x}, y = (cos x)^{s i n x}, and y = (sin x)^{c o s x}

for $0 < x < \frac{π}{2}$ in some order.

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Which row in the table correctly identifies each graph?