unitcircle(3,y)

Crop Image

×

Crop

Given a unit circle with coordinates (3, y),

calculate y

Unit Circle Formula

Given a unit circle point (x, y)

x² + y² = 1

Plug in x = 3 and y = y

3² + y² = 1

9 + y² = 1

Subtract 9 from each side:

y² = 1 - 9

y² = -8

Take the square root of each side:

√y² = √-8

Final Answer