2 years ago

Help please to find the stuff

1 answer:

3 0

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

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