define trigonometrical?
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kunalsingh36:
sorry . define chart of trigonometrical ratio
Trigonometric Ratios. ... Specifically, they are ratios of two sides of a right triangle and a related angle.Trigonometric functions are typically used to calculate unknown lengths or angles in a right triangle. The six functions are all related and can bedefined in terms of one another
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Trigonometry (from Greek trigōnon, "triangle" and metron, "measure") is a branch of mathematics that studies relationships between side lengths and angles of triangles. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies.
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