Which of the following could be points on the unit circle?

NetherCraft 0

Which of the following could be points on the unit circle?(multiple answers)

a. (0.8, -0.6)

b. (1,1)

c.(√(3)/2,1/3)

d.(-2/3, √(5),3)

2 Answers

  • (a)   √  [  (0.8)² + (-0.6)²  ]  =  1

    (b)   √  [  (1)² + (1)²  ]  =  √2  ≠  1

    (c)   √  [  {(√3)/2}² + (1/3)²  ]  =  √  [  (3/4) + (1/9)  ]  ≠  1

    (d)   contains a typo.

    Only choice (a) has a magnitude of 1 so it lies on the unit circle.

  • a.

Also Check This  LACK OF BRAINS HINDERS RESEARCH?

Leave a Reply

Your email address will not be published. Required fields are marked *