Given a unit circle centered at the origin, find the coordinates of a point $P$ on the circle such that the angle $ heta$ between the line segment $OP$ and the positive x-axis is an irrational multiple of $pi$.
Answer 1
To solve this problem, we need to find the coordinates of point $P$ on the unit circle given that the angle $\theta$ is an irrational multiple of $\pi$. Let’s denote this angle as $\theta = k\pi$ where $k$ is an irrational number.
Using the parametric equations of the unit circle, we have:
$x = \cos(\theta)$
$y = \sin(\theta)$
Since $\theta$ is an irrational multiple of $\pi$, we can choose $\theta = \sqrt{2}\pi$. Then, the coordinates $(x,y)$ of point $P$ are:
$x = \cos(\sqrt{2}\pi)$
$y = \sin(\sqrt{2}\pi)$
Thus, the coordinates of $P$ are:
$P = (\cos(\sqrt{2}\pi), \sin(\sqrt{2}\pi))$
Answer 2
To find the coordinates of point $P$ on the unit circle where the angle $ heta$ is an irrational multiple of $pi$, we use the unit circle parametric equations:
$x = cos( heta)$
$y = sin( heta)$
Given $ heta = kpi$ with $k$ as an irrational number, let $ heta = pi e$ (where $e$ is the Euler’s number, known to be irrational). Then:
$x = cos(pi e)$
$y = sin(pi e)$
Therefore, the coordinates are:
$P = (cos(pi e), sin(pi e))$
Answer 3
For a unit circle, the coordinates of a point $P$ with an angle $ heta$ (irrational multiple of $pi$) are:
$x = cos( heta)$
$y = sin( heta)$
Using $ heta = pi phi$ (where $phi$ is the golden ratio and irrational), we get:
$P = (cos(pi phi), sin(pi phi))$
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