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What is trigonometry?

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What is trigonometry?
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    1. Trigonometry is a branch of mathematics that deals with the relationships between the sides and angles of triangles. The word "trigonometry" comes from the Greek words trigonon, meaning "triangle," and metron, meaning "measurement." Trigonometry is used in a wide variety of applications, including sRead more

      Trigonometry is a branch of mathematics that deals with the relationships between the sides and angles of triangles. The word “trigonometry” comes from the Greek words trigonon, meaning “triangle,” and metron, meaning “measurement.”

      Trigonometry is used in a wide variety of applications, including surveying, navigation, engineering, and physics. It is also used in the study of music, art, and architecture.

      Here are some of the key concepts in trigonometry:

      • Sine (sin): The sine of an angle is the ratio of the opposite side of the triangle to the hypotenuse.
      • Cosine (cos): The cosine of an angle is the ratio of the adjacent side of the triangle to the hypotenuse.
      • Tangent (tan): The tangent of an angle is the ratio of the opposite side of the triangle to the adjacent side.
      • Law of sines: The law of sines states that the ratio of the sines of two angles in a triangle is equal to the ratio of the lengths of the opposite sides.
      • Law of cosines: The law of cosines states that the square of any side of a triangle is equal to the sum of the squares of the other two sides minus twice the product of those two sides times the cosine of the angle between them.

      Trigonometry is a powerful tool that can be used to solve a wide variety of problems. It is a valuable tool for anyone who wants to understand the world around them. I hope this helps! Let me know if you have other questions or requests.

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