A function in mathematics is a relation between a set of inputs and a set of possible outputs. Each input is related to exactly one output. Functions are often represented by equations or graphs and they are used to model ...
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An interval in mathematics refers to a set of real numbers between two endpoints. It can be open, closed, or half-open, depending on whether the endpoints are included. Intervals are used to define domains and ranges and they help describe ...
Trigonometry is a branch of mathematics that studies the relationships between the angles and sides of triangles. It involves functions like sine, cosine and tangent, which are used to solve problems in geometry, physics, engineering and many other fields. It ...