What Are the Meanings of "sin", "cos", "tan", "csc", "sec" and "cot"?

By Staff WriterLast Updated Apr 13, 2020 11:51:50 PM ET
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The abbreviations "sin," "cos," "tan," "csc," "sec" and "cot" stand for the six trigonometric functions: sine, cosine, tangent, cosecant, secant and cotangent. Each function represents a particular relationship between the measure of one of the angles and the ratio between two sides of a right triangle.