Math EC

By JDRatze
  • 4000 BCE

    360 Degrees in a Circle

    Mesopotamians developed this concept while creating the wheel.
  • 1770 BCE

    Plimpton 322

    This is a Babylonian tablet, key to finding Pythagorean triples.
  • 1650 BCE

    Ahmes

    He was an Egyptian scribe who developed some of the earliest math principles.
  • 127 BCE

    Hipparchus

    He was a greek astronomer who made one of the first tables of chords.
  • 100

    Measuring Angles

    Astronomical observations were made by forming shapes. Mostly triangles.
  • 100

    Ptolemy

    He was an Egyptian who first discovered the earliest trigonometric tables.
  • 125

    First Trigonometric Tables

    Ptolemy discovered the first Trig tables for a table of chords.
  • 150

    Trig Identities

    Ptolemy first discovered the trig identities.
  • 410

    Observing Ratios

    The Aryabhata first recognized ratios and their use in trig.
  • 476

    Aryabhata

    Indian astronomer who applied plane trigonometry.
  • 500

    Sine and Cosine

    These principles were developed in India by those known as Siddhantas.
  • 505

    Varahamihira

    He was an Indian astronomer who created different binomial coefficients.
  • 550

    Pythagorean Theorem

    Pythagoras first founded this key equation and ideal.
  • Mar 23, 600

    Brahmagupta

    Indian mathematician who came up with an ideal for the number 0.
  • Aug 23, 700

    Using the Words Sine and Cosine

    This dates back to the Greeks when they were named from Latin.
  • Mar 23, 780

    Musa al-Khwaritmi

    He was a Persian mathematician who was known for his work with Algorithm.
  • Mar 23, 800

    Tangent

    An early muslim mathematician Muhammad developed the first table for tangents.
  • Mar 23, 850

    Al Battani

    He was a muslim scientist who developed many trig functions like Ptolemy.
  • Mar 23, 900

    Law of Sines

    This theorem was discovered by a mathematician named Helaine Selin.
  • Mar 23, 910

    Tangent Ratio

    Discovered by Abu al-Wafa al-Buzjani.
  • Mar 23, 940

    Triangle Ratios

    Albuzjani developed and recognized ratios in triangles and not circles.
  • Mar 23, 950

    Abu al-Wafa al-Buzjani

    He was a Persian mathematician who developed many things like the Tangent Function.
  • Sep 23, 1200

    Trig a Separate Discipline

    Nasir recognized the topic of trigonometry as a separate discipline.
  • Mar 23, 1436

    Regiomontanus

    He was a latin epithet who added and explicitly defined basic trig words and ideals.
  • Mar 23, 1514

    Georg Joachim Rheticus

    Developed many trigonometric tables.
  • Aug 23, 1570

    Abbreviations

    Cos, Sin, and Tan were recognized by Albert Gerald during his work on trig.

  • Euler

    Came up and developed many trig ideals and identities.