Target Mathematics

3.53: Modulus equation and sine graph sketch

0606/11/M/J/25 — Question 5 · 5 marks

(a)
Solve the equation (2x1)2=9(2x - 1)^{2} = 9.
[3]
(b)
On the axes, sketch the graph of y=5sinx2y = 5\,\mathrm{sin}\,x - 2 for 0x3600^{\circ} \leqslant x \leqslant 360^{\circ}.
[2]