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  2. Trigonometry - Wikipedia

    en.wikipedia.org/wiki/Trigonometry

    Trigonometry (from Ancient Greek τρίγωνον (trígōnon) 'triangle' and μέτρον (métron) 'measure') [1] is a branch of mathematics concerned with relationships between angles and side lengths of triangles.

  3. Trigonometric functions - Wikipedia

    en.wikipedia.org/wiki/Trigonometric_functions

    Basis of trigonometry: if two right triangles have equal acute angles, they are similar, so their corresponding side lengths are proportional.. In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) [1] are real functions which relate an angle of a right-angled triangle to ratios of two side lengths.

  4. Outline of trigonometry - Wikipedia

    en.wikipedia.org/wiki/Outline_of_trigonometry

    Trigonometry – branch of mathematics that studies the relationships between the sides and the angles in triangles. Trigonometry defines the trigonometric functions , which describe those relationships and have applicability to cyclical phenomena, such as waves .

  5. Category:Trigonometry - Wikipedia

    en.wikipedia.org/wiki/Category:Trigonometry

    Trigonometry (from the Greek trigonon = three angles and metro = measure) is a branch of mathematics dealing with angles, triangles and trigonometric functions such as sine, cosine and tangent. It has some relationship to geometry , though there is disagreement on exactly what that relationship is; for some, trigonometry is just a subtopic of ...

  6. Uses of trigonometry - Wikipedia

    en.wikipedia.org/wiki/Uses_of_trigonometry

    For example, a professor of music may perhaps know nothing of mathematics, but would probably know that Pythagoras was the earliest known contributor to the mathematical theory of music. In some of the fields of endeavor listed above it is easy to imagine how trigonometry could be used. For example, in navigation and land surveying, the ...

  7. 10 Hard Math Problems That Even the Smartest People in the ...

    www.aol.com/10-hard-math-problems-even-150000090...

    Given everything we know about two of math’s most famous constants, ... One More Thing: Teens Have Proven the Pythagorean Theorem With Trigonometry. That Should Be Impossible.

  8. Who Is Linkin Park's New Lead Singer? What to Know About ...

    www.aol.com/linkin-parks-lead-singer-know...

    Here is everything to know about Linkin Park's new singer, Emily Armstrong. Who is Linkin Park's new lead singer? Emily Armstrong, previously of the band Dead Sara, is the new lead singer of ...

  9. Everything to Know About Buying and Cooking Perfect Prime Rib

    www.aol.com/everything-know-buying-cooking...

    How to cook prime rib. Many chefs recommend cooking prime rib at a high temperature for the first 30 minutes or so to brown the exterior. Then, they drop the temperature and cook the prime rib low ...

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