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Home › Calculators › Trigonometry Calculators › Inverse Trig (Principal Values)

Inverse Trig (Principal Values)

Find principal values and quadrants for inverse trig.
Input Values

arcsin & arccos require x ∈ [−1, 1]. arctan accepts any real number.

Inverse Functions
0° 90° 180° 270° arctan arccos arcsin
■ arcsin ■ arccos ■ arctan
Learn the concept
Solving Right Triangles: Finding Missing Angles
Use inverse trig functions — arcsin, arccos, arctan — to find a missing angle when two sides of a right triangle are known.
Read lesson →

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