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Trigonometry is a branch of mathematics that deals with the relationships between the angles and sides of triangles. The word trigonometry comes from the Greek words trigōnon (triangle) and metron (to measure). Trigonometry is particularly concerned with the side lengths of right triangles and is therefore highly practical. Tangent and cotangent are among the important functions of trigonometry and are used in calculations involving the side lengths of right triangles. Today, trigonometry is wid

Trigonometry is a branch of mathematics that deals with the relationships between the angles and sides of triangles. The word trigonometry is derived from the Greek words trigōnon (triangle) and metron (to measure). Trigonometry is particularly concerned with the side lengths of right triangles and is therefore highly practical. Tangent and cotangent are among the trigonometric important functions used in calculations involving the side lengths of right triangles. Today, trigonometry is widely u