https://meowody.com/blog/tags/calc/Recent content in Calc on meowodyHugoen-USSat, 21 Mar 2026 17:11:28 +0800https://meowody.com/blog/posts/calc-circle-point-coordinates/Sat, 21 Mar 2026 17:11:28 +0800https://meowody.com/blog/posts/calc-circle-point-coordinates/<h1 id="find-the-coordinates-of-a-point-on-a-circle">Find the coordinates of a point on a circle.</h1> <p>Calculating the coordinates of a point on a circle typically depends on the information you already know (such as the angle, the position of the circle&rsquo;s center, etc.). The most commonly used method involves <strong>trigonometric functions</strong>.</p> <p><img src="https://meowody.com/blog/posts/calc-circle-point-coordinates/calc-en.jpg" alt="calc-coor" style="max-width: 100%; height: auto; display:block; margin: 0 auto; border: 1px solid var(--glass-border); border-radius: .5rem;" /></p> <h2 id="standard-circle-centered-at-the-origin">Standard Circle (Centered at the Origin)</h2> <p>If the center of the circle is located at the origin $(0, 0)$ of the coordinate system, the radius is $r$, and the angle between the point and the positive direction of the $x$-axis is $\theta$, then the coordinates $(x, y)$ of that point are:</p>