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    * Latest "Cotangent" News * 


Two radio relics discovered in the galaxy cluster Abell 168

Indian astronomers have detected two radio relics in the nearby merging galaxy cluster known as Abell 168. The discovery, which could improve our ...

New Trigonometric Functions Introduced  GineersNow

New trigonometric functions: Mathematicians need to have a social life, damn it.

Dec. 10, 1626: Measurement Man Meets the Measure of His Days  Wired

1626: Edmund Gunter dies. He invented tools for computation, navigation and surveying, and devised the trigonometry concepts of cosine and cotangent.

Many scholars contributed to inventing trigonometry  Chicago Daily Herald

You wanted to know. "Who is the person that discovered trigonometry?" asked a young Schaumburg Township District Library patron who attended the "Summer ...

Most detailed observations of material orbiting close to a black hole

ESO's exquisitely sensitive GRAVITY instrument has added further evidence to the long-standing assumption that a supermassive black hole lurks in the centre ...

A new era in the quest for dark matter

Since the 1970s, astronomers and physicists have been gathering evidence for the presence in the universe of dark matter: a mysterious substance that ...

What OneNote's Math and Replay features say about the spotty state of Windows Ink  PCWorld

Windows Ink is a great idea struggling with the realities of handwriting recognition and data processing. We try the state of the art in two new inking features ...

The Fight to Fix Symplectic Geometry  Quanta Magazine

When two mathematicians raised pointed questions about a classic proof that no one really understood, they ignited a years-long debate about how much could ...

Moorhead enjoys successful spring debut | Sports  Northeast Mississippi Daily Journal

STARKVILLE – Mississippi State's spring game may not have counted in the record books but Joe Moorhead certainly considered it a win.

Dark matter might not be interactive after all

Astronomers are back in the dark about what dark matter might be, after new observations showed the mysterious substance may not be interacting with forces ...

Review: Music in Motion | LakeCities Ballet Theatre | MCL Grand Theater  TheaterJones Performing Arts News

Classical Funk - LakeCities Ballet Theatre closes its season with *fresh* moves and dexterous classical technique during its spring performance.

How Muslim Propagators Swindle the Western Civilization: Islam and Science Expropriation (D)  Modern Diplomacy

Muslims take high pride and boast about the critical contributions "Islamic Sciences" to civilization. It would require considerable space just to recite the many ...

No way to stop adoption & acceptance of bitcoin - Max Keiser  RT

Bitcoin's recent price swings have intensified the debate about the phenomena of virtual currencies, with skeptics warning off investors, while enthusiasts see a ...

A history of how computers went from stealing your heart, to stealing your job  ZME Science

They changed our society from the ground up. And will do so again.

Advances in mathematical description of motion  Phys.Org

Complex mathematical investigation of problems relevant to classical and quantum mechanics by EU-funded researchers has led to insight regarding ...

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Trigonometric functions - Wikipedia
In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) are functions of an angle.They relate the angles of a triangle to the lengths of its sides. Trigonometric functions are important in the study of triangles and modeling periodic phenomena, among many other applications.

Mathwords: Cotangent
cotangent cot ctg. The trig function cotangent, written cot θ. cot θ equals or .For acute angles, cot θ can be found by the SOHCAHTOA definition, shown below on the left. The circle definition, a generalization of SOHCAHTOA, is shown below on the right. f(x) = cot x is a periodic function with period π.

Cotangent Calculator -- EndMemo
Cotangent Solver Calculator. Note: Fill in one box to get results in the other box by clicking "Calculate" button. Data should be separated by coma (,), space ( ), tab, or in separated lines.

Hyperbolic Cotangent -- from Wolfram MathWorld
The notation is sometimes also used (Gradshteyn and Ryzhik 2000, p. xxix). It is implemented in the Wolfram Language as Coth[z].. The hyperbolic cotangent satisfies the identity

Express Sine in Terms of Cotangent - dummies
Even though each trigonometry function is perfectly wonderful, being able to express each trig function in terms of one of the other five trig functions is frequently to your advantage. For example, you may have some sine terms in an expression that you want to express in terms of cotangent, so that all the functions […]

How to Graph a Cotangent Function - dummies
The parent graphs of tangent and cotangent are comparable because they both have asymptotes and x-intercepts. The only differences you can see are the values of theta where the asymptotes and x-intercepts occur. You can find the parent graph of the cotangent function f(x) = cot x, by using the same techniques you use to […]

SECANT,COSECANT,COTANGENT,trigonometry from A-level Maths ...
The secant,cosecant and cotangent are respectively the inverse of cosine, sine, and tangent. It is important to know what these functions look like graphically and how they compare.These ratios are common in a number of important 'Pythagorean identities'.

Inverse hyperbolic functions - Wikipedia
In mathematics, the inverse hyperbolic functions are the inverse functions of the hyperbolic functions.. For a given value of a hyperbolic function, the corresponding inverse hyperbolic function provides the corresponding hyperbolic angle.The size of the hyperbolic angle is equal to the area of the corresponding hyperbolic sector of the hyperbola xy = 1, or twice the area of the corresponding ... - Online math materials for teaching and learning - many resources are free.

Natural trigonometric functions;: Tables, sine, cosine ...
Buy Natural trigonometric functions;: Tables, sine, cosine, tangent, cotangent, secant and cosecant to eight decimal places, with second differences to ... for use with the Monroe adding-calculator, on FREE SHIPPING on qualified orders




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