21-08-2018
Mathematics

contestada

if the point`(x, sqrt(3)/3)` is on the unit circle, what is x?

Respuesta :

konrad509 konrad509

21-08-2018

[tex] x^2+\left(\dfrac{\sqrt3}{3}\right)^2=1^2\\\\
x^2+\dfrac{3}{9}=1\\\\
x^2+\dfrac{1}{3}=1\\\\
x^2=\dfrac{2}{3}\\\\
x=\sqrt{\dfrac{2}{3}}\vee x=-\sqrt{\dfrac{2}{3}}\\\\
x=\dfrac{\sqrt6}{3} \vee x=-\dfrac{\sqrt6}{3}

[/tex]

Answer Link

Otras preguntas

One factor compounding the problem of gender bias is the notion that the prototypical leader is: a. unclear to researchers. b. masculine and feminine. c. mascul

help please posted picture of question

What is the radius of a circle with the equation x2 + y2 – 14x + 10y = 250? A) 9 units B) 12 units C) 15 units D) 18 units

Does -cos(120)=cos(-120)?

when a monkey go to the moon what year will it be

The shortcut key used to duplicate objects is

The tetrahedron can be constructed from the repetitive folding of

"what shared challenges faced the successor states in eastern europe"

Which component is found only in electric generators and not in electric motors? a commutator brushes an armature slip rings

What is the Teufelstritt? Where (major city & tourist attraction) can it be found and what is the history/legend behind it?