Unit circle

Unit circle preview
remixableManimCE2Dtrigonometryloop

manim/unit_circle.py

"""Unit circle: a radius sweeping the circle, sine and cosine dropped as bars.

Render (the driver does this for every palette; these are for eyeballing):
    P=/opt/homebrew/opt/python@3.11/bin/python3.11
    ASSET_MODE=still  $P -m manim -s -t -r 1600,1600 manim/unit_circle.py UnitCircle
    ASSET_MODE=motion $P -m manim -qh   -r 1600,1600 manim/unit_circle.py UnitCircleLoop
"""

import numpy as np
from manim import (
    DEGREES,
    DOWN,
    LEFT,
    ORIGIN,
    RIGHT,
    TAU,

The full Manim source and the rendered video come with a plan.