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  • 10-07-2020
  • Mathematics
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Which of the points (x, y) does NOT lie on the unit circle?

Which of the points x y does NOT lie on the unit circle class=

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sqdancefan
sqdancefan sqdancefan
  • 23-07-2020

Answer:

  a)  P(1/2, 1/2)

Step-by-step explanation:

If the point does not lie on a coordinate axis, then the sum of the coordinates must be greater than 1. (This is a consequence of the triangle inequality and the fact that the hypotenuse of the right triangle is 1.)

This fact lets you readily identify (1/2, 1/2) as not being on the unit circle.

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