Calculate inverse trigonometric functions (arcsin, arccos, arctan). These find angles from trig ratios.
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Enter Your Measurements
Results
Arcsin (degrees)
44.99
°
Arccos (degrees)
45.01
°
Arctan (degrees)
35.26
°
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Formula
θ = arcsin(ratio); θ = arccos(ratio); θ = arctan(ratio)
How to Use This Calculator
How to Use
- 1
Enter a ratio value (between -1 and 1 for arcsin/arccos).
- 2
Click calculate to find the corresponding angles.
Frequently Asked Questions
Frequently Asked Questions
What are inverse trigonometric functions?
They find the angle when you know the ratio. If sin(θ) = 0.5, then arcsin(0.5) = 30°.
Why would I use these?
When you know a trig ratio but need to find the angle. Common in physics, engineering, and navigation problems.
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About This Calculator
This calculator uses the formula: θ = arcsin(ratio); θ = arccos(ratio); θ = arctan(ratio). All calculations follow industry-standard methods. Results are estimates — always verify with a licensed professional for structural or code-compliant work.
Built and maintained by the CalcSmart team. Last updated March 2026.
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