Q:

What is the importance of trigonometry?

A:

Quick Answer

Trigonometry is important to mathematics as an element of calculus, statistics and linear algebra. Outside of mathematics, it is important to physics, engineering, geography and astronomy as well as architectural design.

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Full Answer

Trigonometry is a fundamental component of calculus. In statistics, trigonometric functions are necessary for the computation of the bell curve and for the study of seasonal periodicities. Most uses of trigonometry in other fields relate to the use of Fourier series, which cannot be calculated without the use of trigonometry.

A wide range of nonmathematical fields rely on trigonometric functions, even if members of those fields are not aware that trigonometry is involved. Aside from those already mentioned, trigonometry has contributed to advances in the fields of acoustics, architecture, cartography, civil engineering, geophysics, crystallography, electronics, medical imaging and pharmacology. Spherical trigonometry was used in astronomy to compute the location of stars and planets prior to the invention of linear algebra. Surveyors and engineers have been using trigonometry in their work for hundreds of years.

Common practical, modern applications of trigonometry include its use in satellite navigation, naval and aviation industries, the composition of music, and all types of digital imaging. It has also become critical in the construction of modern buildings.

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Related Questions

  • Q:

    What is trigonometry used for?

    A:

    Trigonometry is used in many fields of applied and practical sciences, such as astronomy, geography, physics and engineering. Trigonometry is used in astronomy to determine the distance from Earth to various nearby stars by observing the parallax shift with Earth's orbit around the Sun as a baseline.

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  • Q:

    What are the branches of trigonometry?

    A:

    The two main branches of trigonometry are plane trigonometry and spherical geometry. Trigonometry in general deals with the study of the relationships involving the lengths of angles and triangles.

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  • Q:

    Who invented trigonometry?

    A:

    The ancient Greeks were the first to develop the conceptual framework of trigonometry. The noted Greek astronomers Hipparchus, Menelaus and Ptolomy contributed in advancing the field.

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  • Q:

    What is an application of trigonometry?

    A:

    One application of trigonometry in the real world is determining the distance and location of faraway objects. This is useful in navigation and in surveying. Historically, trigonometry was also applied to determine the position of heavenly bodies, but this use has been supplanted by linear algebra in modern times.

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