A fun ride for children follows the curve with equation Vi in x + 2 +2, 0 sxs 24, where y is the height from the y = ground in metres and x is the horizontal distance travelled. Express 2 sin x |+ J2 cos x in the form r cos a X- b What is the maximum height of the fun ride? Sketch the graph of the curve y = 2 sin x|+ v2 cos + 2, Osxs 24.

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