Trigonometric Functions. Max Saeger and Kyle Ruescher. Beginnings. Menelaus developed more tables of chords, but his work didn’t last, he had a greater influence on spherical trigonometry. Hindus are the first to introduce sine and cosine instead of chords.
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Max Saeger and Kyle Ruescher
Menelaus developed more tables of chords, but his work didn’t last, he had a greater influence on spherical trigonometry.
Hindus are the first to introduce sine and cosine instead of chords.
The Arabs worked with sine and cosine.
Hipparchus developed the first known table of chords.
Europeans translated theory into Latin.
Ptolemy is the next author of a book of chords.
Around 100 AD
equation used to calculate chord length
graph of secant and cosecant
“Demands of Trigonometry in Physics are enormous. So many problems in physics can be solved only by Trigonometry. Mostly all sections of Physics needs Trigonometry.” -Science.org
There is trig all around you, we do not even notice it, it has become such a commonplace in our lives and culture, especially as a first world country. Without trig:
The Canadarm 2 robotic manipulator on the international space station is operated by controlling the angles of its joints. Calculating the final position of the astronaut at the end of the arm requires repeated use of trigonometric functions of those angles.