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help please to find the stuff

Help Please To Find The Stuff class=

Sagot :

Answer:

  y = (√3)/2

Step-by-step explanation:

The unit circle has equation ...

  x^2 +y^2 = 1

For x = 1/2, the value of y can be found to be ...

  (1/2)^2 +y^2 = 1

  y^2 = 1 - 1/4 = 3/4 . . . . . subtract 1/4

  y = √(3/4) . . . . . . . . . . take the square root (y > 0 here)

  y = (√3)/2