Arcsin (sin⁻¹) Calculator
Value (must be in [−1, 1] for sin/cos)
Arcsin (inverse sine, sin⁻¹) returns the angle whose sine equals the input value. The output range is [−90°, 90°] or [−π/2, π/2] radians.
- 1arcsin(x) returns θ where sin(θ) = x
- 2Domain: x ∈ [−1, 1]
- 3Range: [−90°, 90°]
- 4arcsin(0.5) = 30°, arcsin(1) = 90°
arcsin(0.5)=30° or π/6 radians
arcsin(1)=90° or π/2 radians
arcsin(−0.5)=−30°
| x | arcsin(x) degrees | arcsin(x) radians |
|---|---|---|
| -1 | −90° | −π/2 |
| −0.5 | −30° | −π/6 |
| 0 | 0° | 0 |
| 0.5 | 30° | π/6 |
| 1 | 90° | π/2 |
References
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