define trigonometry
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Trigonometry, the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly used in trigonometry. Their names and abbreviations are sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec).
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Step-by-step explanation:
Trignometry::
The branch of mathematics that studies triangles and the relationship between their sides and the angles.
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