Arctan of 0.3
Arcsin, Arccos, Arctan, Arccot
What is arctan(0.3)?
Answer
arctan(0.3) ≈
16.6992° ≈ 0.2915 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(0.3) is the angle α in (−90°, 90°) with tan α = 0.3.
tan 16.6992° ≈ 0.3000
α = arctan(0.3) ≈ 16.6992°
P ≈ (0.9578, 0.2873)
T(1, 0.3) is where line OP meets the line x = 1; highlighted: tan α = 0.3.
| Function | Degrees | Radians |
|---|---|---|
| arcsin(0.3) | ≈ 17.4576° | ≈ 0.3047 |
| arccos(0.3) | ≈ 72.5424° | ≈ 1.2661 |
| arctan(0.3) | ≈ 16.6992° | ≈ 0.2915 |
| arccot(0.3) | ≈ 73.3008° | ≈ 1.2793 |
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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 |
|---|---|
| 0.1 | ≈ 5.7106° |
| 1/5 | ≈ 11.3099° |
| 1/4 | ≈ 14.0362° |
| 0.3 | ≈ 16.6992° |
| 1/3 | ≈ 18.4349° |
| 2/5 | ≈ 21.8014° |
| 1/2 | ≈ 26.5651° |