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Determines the angle corresponding to a specified tangent. For example, the arctangent of 1 is the angle whose tangent equals 1, or the angle π/4 (0.785398 radians).
Arctangent (also called inverse tangent) and can be represented by tan−1 x, arctan x, or atan x.
ATAN(number)
For number, specify the value or the column of values.
| Column | Calculator expression | Result |
|---|---|---|
| C1 contains 25 | ATAN(C1) | 1.530817639672 |
Trigonometric functions are used to model wave motion and periodic phenomena, such as seasonal patterns. They form the foundation for advanced analyses in electrical engineering, digital image processing, radiography, thermodynamics, telecommunications, and many other fields in science and technology.
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