the.com/trigonometry
The art of knowing a triangle's secrets from just two clues.
means The branch of mathematics that studies the relationships between the angles and sides of triangles, especially using sine, cosine, and tangent.
from From Greek trigōnon ('triangle,' from tri- 'three' + gōnia 'angle') plus -metria ('measurement'), the same root that gives us 'geometry.' The word names exactly what the field does: measuring triangles — their sides and angles — and the ratios that bind them together.
- ancient roots
- Babylonians used triangle ratios 1,000 years before Pythagoras.
- sine's origin
- Comes from a Latin mistranslation of an Arabic word.
- real use
- GPS satellites triangulate your location using these exact ratios.
- hidden everywhere
- Sound waves and AC electricity are literally sine functions.