Arctan of 5
Arcsin, Arccos, Arctan, Arccot
What is arctan(5)?
Answer
arctan(5) ≈
78.6901° ≈ 1.3734 rad
Range: arctan x is an angle strictly between −90° and 90°, so the answer is unique.
≈ — the value is not a table one; rounded to 4 decimal places.
arctan(5) is the angle α in (−90°, 90°) with tan α = 5.
tan 78.6901° ≈ 5.0000
α = arctan(5) ≈ 78.6901°
P ≈ (0.1961, 0.9806)
T(1, 5) is where line OP meets the line x = 1, beyond the drawing (the arrow points to it); highlighted: tan α = 5.
| Function | Degrees | Radians |
|---|---|---|
| arcsin(5) | does not exist | — |
| arccos(5) | does not exist | — |
| arctan(5) | ≈ 78.6901° | ≈ 1.3734 |
| arccot(5) | ≈ 11.3099° | ≈ 0.1974 |
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See Also
- Sin, Cos, Tan, Cot of an Angle - Exact value in square roots and the decimal, with reduction to an acute angle on the unit circle
- Square Root Calculator - Calculate the square root of any number
- Simplify Square Root Calculator - Write any square root in simplest radical form, step by step
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Arctangent of nearby values
| x | arctan x |
|---|---|
| 5/2 | ≈ 68.1986° |
| 3 | ≈ 71.5651° |
| 4 | ≈ 75.9638° |
| 5 | ≈ 78.6901° |
| 6 | ≈ 80.5377° |
| 7 | ≈ 81.8699° |
| 10 | ≈ 84.2894° |