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Questions and Answers

What is the origin of the word 'trigonometry'?

  • It is derived from Latin roots meaning 'angle study'
  • It comes from the Ancient Greek words for 'triangle' and 'measure' (correct)
  • It originates from Sanskrit terms for 'angle' and 'calculation'
  • It is a combination of Arabic words for 'sine' and 'cosine'

    • In which century did trigonometry emerge in the Hellenistic world?

  • 1st century AD
  • 3rd century BC (correct)
  • 2nd century AD
  • 5th century BC

    • What did the mathematicians in India create related to trigonometry?

  • Invention of calculus
  • Development of Pythagorean theorem
  • Concept of radian measure
  • Earliest-known tables of values for trigonometric ratios (correct)

    • Which field has trigonometry been historically applied in?

    <p>Geodesy</p> Signup and view all the answers

    What did Sumerian astronomers use for angle measure?

    <p>Division of circles into 360 degrees</p> Signup and view all the answers

    What branch of mathematics is trigonometry?

    <p>Geometry</p> Signup and view all the answers

    What did the Greeks primarily focus on in their trigonometric calculations?

    <p>Chords</p> Signup and view all the answers

    In which areas has trigonometry been historically applied?

    <p>Geodesy and Surveying</p> Signup and view all the answers

    What are trigonometric identities commonly used for?

    <p>Rewriting trigonometrical expressions</p> Signup and view all the answers

    What did Sumerian astronomers use for angle measure?

    <p>Degrees</p> Signup and view all the answers

    Which branch of mathematics is concerned with relationships between angles and ratios of lengths?

    <p>Trigonometry</p> Signup and view all the answers

    In which century did the field of trigonometry emerge in the Hellenistic world?

    <p>3rd century BC</p> Signup and view all the answers

    What did the mathematicians in India create related to trigonometric ratios?

    <p>Tables of values for trigonometric ratios</p> Signup and view all the answers

    In what areas has trigonometry been historically applied?

    <p>Geodesy, surveying, celestial mechanics, and navigation</p> Signup and view all the answers

    What did Sumerian astronomers use for angle measure?

    <p>Division of circles into 360 degrees</p> Signup and view all the answers

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