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Oblique Triangle Solver (Law of Sines & Cosines)

Solve any non-right triangle given two angles and a side (AAS/ASA), two sides and an angle (SAS/SSA), or find its area. Ideal for surveying, navigation, and geometry problems.

Known Side 1 (units)

Known Angle 1 (degrees)

Third Known Value (units/degrees)

Triangle Case

Solve For

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Trigonometry

Inverse Trigonometric Functions Calculator

Find the angle whose sine, cosine, or tangent equals a given value. Use it to recover angles from ratios in geometry, physics, and engineering problems.

Input Value

Inverse Function

Output Unit

Quadrant Consideration

Fill in the required fields to see your result.

Key differences

	Oblique Triangle Solver (Law of Sines & Cosines)	Inverse Trigonometric Functions Calculator
Category	Trigonometry	Trigonometry
Inputs required	5	4
Result	Solution (units/degrees/square units)	Angle (degrees/radians)
What it does	Solve any non-right triangle given two angles and a side (AAS/ASA), two sides and an angle (SAS/SSA), or find its area. Ideal for surveying, navigation, and geometry problems.	Find the angle whose sine, cosine, or tangent equals a given value. Use it to recover angles from ratios in geometry, physics, and engineering problems.