trigonometrical

Meanings

• noun

  The branch of mathematics dealing with the measurement and relations of angles and sides of triangles and the calculation of distances between points in a plane or in three-dimensional space.

  - "Trigonometry is essential in calculating the heights of mountains."
  - "The student aced the trigonometry exam."
  - "Trigonometry is used in engineering to calculate distances and angles."

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Variants

List of all variants of trigonometrical that leads to same result
trigonometric , trigonometrical , trigonometrically

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Etymology

origin and the way in which meanings have changed throughout history.

From the Greek words trigōnon (triangle) and metrētikē (measurement).

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Trivia

Any details, considerations, events or pieces of information regarding the word

1. Trigonometry is one of the oldest branches of mathematics.

2. The first known trigonometric table was discovered in Egypt around 1500 BC.

3. Trigonometry was used by ancient Greek astronomers to calculate the positions of stars and planets.

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Related Concepts

informations on related concepts or terms closely associated with the word. Discuss semantic fields or domains that the word belongs to

1. Geometry: Trigonometry is a subfield of geometry.

2. Triangle: Trigonometry deals with triangles and their properties.

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Culture

Any cultural, historical, or symbolic significance of the word. Explore how the word has been used in literature, art, music, or other forms of expression.

Trigonometry has been used extensively in various fields such as engineering, physics, and computer science. It has been a crucial subject in mathematics education for centuries.

How to Memorize "trigonometrical"

1. visualize
   

   - Imagine a right triangle and label its sides and angles.
   - Visualize the ratios of the sides in terms of the angles.
   - Practice drawing and labeling triangles to solidify your understanding.

2. associate
   

   - Associate the sine function with the opposite side over the hypotenuse.
   - Associate the cosine function with the adjacent side over the hypotenuse.
   - Associate the tangent function with the opposite side over the adjacent side.

3. mnemonics
   

   - SOHCAHTOA: Sine = Opposite/Hypotenuse, Cosine = Adjacent/Hypotenuse, Tangent = Opposite/Adjacent.
   - Remember the mnemonic 'Please Excuse My Dear Aunt Sally' to remember the order of operations in trigonometry: Parentheses, Exponents, Multiplication and Division, Addition and Subtraction.

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