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Given the unit circle what is the value of x

Given the unit circle what is the value of x-example-1
User Rottitime
by
6.9k points

1 Answer

2 votes

Given:


(x,(3)/(4))\text{ and (1,0) points lies on the circle.}

Equation of circle is


x^2+y^2=r^2
\begin{gathered} x^2+((3)/(4))^2=1^2 \\ x^2+(9)/(16)=1 \\ x^2=1-(9)/(16) \\ x^2=(16-9)/(16) \\ x^2=(7)/(16) \\ x=-\frac{\sqrt[]{7}}{4} \end{gathered}

User Yurui Zhang
by
6.4k points
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