The height, h, in metres, above the ground of a car as a Ferris wheel rotates can be + 18, where tis the time, in seconds. What is modelled by the function k() = 16 cos 120 %3D the radius of the Ferris wheel? a) 8 m O b) 9 m ) c) 18 m d) 16 m

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A: Using trigonometric substitution to evaluate this integral as follows.

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A: NOTE: Refresh your page if you can't see any equations. . take derivative

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A: Recall the below fact.

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