- Who discovered sine and cos?
- Why Sine is called sine?
- Who was the 1st mathematician?
- Who is the founder of trigonometry?
- Who is the father of mathematics?
- Who invented algebra?
- Why do we use sine?
- Why is it called Cotangent?
- Which country invented trigonometry?
- How trigonometry is used in real life?
- What are the 9 trig identities?
- What jobs use trigonometry?
- Who is the No 1 mathematician of the world?
- Why was trigonometry invented?
- What’s the point of trigonometry?
- Who is the mother of math?
- How is sine calculated?

## Who discovered sine and cos?

AryabhataRegarding the six trigonometric functions: Aryabhata (476 CE – 550 CE) discovered the sine and cosine; Muhammad ibn Musa al-Khwarizimi (780 CE – 850 CE) discovered the tangent; Abu al-Wafa’ Buzjani (940 CE – 988 CE) discovered the secant, cotangent, and cosecant..

## Why Sine is called sine?

In mathematics, the sine is a trigonometric function of an angle. … The word “sine” (Latin “sinus”) comes from a Latin mistranslation by Robert of Chester of the Arabic jiba, which is a transliteration of the Sanskrit word for half the chord, jya-ardha.

## Who was the 1st mathematician?

Thales of MiletusOne of the earliest known mathematicians was Thales of Miletus (c. 624–c. 546 BC); he has been hailed as the first true mathematician and the first known individual to whom a mathematical discovery has been attributed.

## Who is the founder of trigonometry?

HipparchusA corollary of this is that, before Hipparchus, astronomical tables based on Greek geometrical methods did not exist. If this is so, Hipparchus was not only the founder of trigonometry but also the man who transformed Greek astronomy from a purely theoretical into a practical predictive science.

## Who is the father of mathematics?

mathematician ArchimedesGreek mathematician Archimedes is widely considered by many to be the “father of mathematics.” He is regarded as one of the leading scientists in classical antiquity and is credited with designing numerous innovative machines, including the screw pump and siege engines.

## Who invented algebra?

Muhammad ibn Musa al-KhwarizmiMuhammad ibn Musa al-Khwarizmi was a 9th-century Muslim mathematician and astronomer. He is known as the “father of algebra”, a word derived from the title of his book, Kitab al-Jabr.

## Why do we use sine?

The sine function is defined as the ratio of the side of the triangle opposite the angle divided by the hypotenuse. This ratio can be used to solve problems involving distance or height, or if you need to know an angle measure. Example: … To find the length of the side opposite the angle, d, we use the sine function.

## Why is it called Cotangent?

The word sine comes from the Latin sinus, bosom, because early translators mistook the Arabic word for chord and thought it was the Arabic word for bosom. The “co-” prefix in cosine and cotangent simply stands for co-angle, the complementary angle. The cosine of an angle is the sine of its complementary angle.

## Which country invented trigonometry?

The Babylonians could measure angles, and are believed to have invented the division of the circle into 360º. However, it was the Greeks who are seen as the original pioneers of trigonometry. A Greek mathematician, Euclid, who lived around 300 BC was an important figure in geometry and trigonometry.

## How trigonometry is used in real life?

Other uses of trigonometry: It is used in oceanography in calculating the height of tides in oceans. The sine and cosine functions are fundamental to the theory of periodic functions, those that describe the sound and light waves. Calculus is made up of Trigonometry and Algebra.

## What are the 9 trig identities?

Sine, Cosine and TangentSine Function:sin(θ) = Opposite / HypotenuseCosine Function:cos(θ) = Adjacent / HypotenuseTangent Function:tan(θ) = Opposite / Adjacent

## What jobs use trigonometry?

Manufacturing Industry. Trigonometry plays a major role in industry, where it allows manufacturers to create everything from automobiles to zigzag scissors. Engineers rely on trigonometric relationships to determine the sizes and angles of mechanical parts used in machinery, tools and equipment.

## Who is the No 1 mathematician of the world?

Isaac Newton is a hard act to follow, but if anyone can pull it off, it’s Carl Gauss. If Newton is considered the greatest scientist of all time, Gauss could easily be called the greatest mathematician ever.

## Why was trigonometry invented?

The ancient Greeks transformed trigonometry into an ordered science. … Most of the early advancements in trigonometry were in spherical trigonometry mostly because of its application to astronomy. The three main figures that we know of in the development of Greek trigonometry are Hipparchus, Menelaus, and Ptolomy.

## What’s the point of trigonometry?

Solving Triangles Trigonometry is also useful for general triangles, not just right-angled ones . It helps us in Solving Triangles. “Solving” means finding missing sides and angles.

## Who is the mother of math?

1. HYPATIA. Hypatia (c. 355–415) was the first woman known to have taught mathematics.

## How is sine calculated?

In a right triangle, the sine of an angle is the length of the opposite side divided by the length of the hypotenuse. Try this Drag any vertex of the triangle and see how the sine of A and C are calculated.