Question

The point P=(3/4, y) lies on the unit circle. What is the value of y in simplest form?

Answer 1

Answer:

Step-by-step explanation:

if (x,y) is any point on unit circle then

x²+y²=1²

x²+y²=1

(3/4)²+y²=1

9/16+y²=1

y²=1-9/16=(16-9)/16=7/16

y=±√7/16