Viewed from above, a scenic walking track from point
The minimum turning point of section
- Show that
and . (1 mark)
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- Verify that the two curves meet smoothly at point
. (2 marks)
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- i. Find the coordinates of point
. (1 mark)
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- ii. Find the coordinates of point
. (1 mark)
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The return track from point
- Find the Cartesian equation of the elliptical path. (2 marks)
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- Sketch the elliptical path from
to on the diagram above. (1 mark)
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- i. Write down a definite integral in terms of
that gives the length of the elliptical path from to . (1 mark)
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- ii. Find the length of the elliptical path from
to . - Give your answer in kilometres correct to three decimal places. (1 mark)
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