Free trigonometry calculator to find inverse trig angle. Instant results in your browser — no signup.
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Angle
30.000000°
asin(0.5000)
Free trigonometry calculator to find inverse trig angle. Instant results in your browser — no signup. Inverse trig functions return the principal angle whose sin/cos/tan matches the input.
Inverse trig functions return the principal angle whose sin/cos/tan matches the input.
arcsin(0.5) = 30°.
Principal values only — e.g. arcsin in [−90°, 90°].