Trigonometry Calculators

Calculate arccos (inverse cosine) instantly with interactive unit circle visualization, step-by-step solutions, degree and radian outputs, and up to 1000 decimal places precision.

Calculate the inverse sine (arcsin) of any value between -1 and 1. Get results in degrees or radians with adjustable precision up to 1000 decimal places, interactive unit circle diagram, step-by-step solution, and general solution formulas.

Calculate arctan (inverse tangent) with high precision. Get the angle whose tangent equals your input value, displayed in both degrees and radians with interactive unit circle visualization and step-by-step solution.

Calculate the angle between the positive x-axis and a point (x, y) using atan2, with an interactive diagram, a step-by-step solution and high-precision output up to 1000 decimal places for programming, robotics and navigation.

Calculate cosecant, secant and cotangent with precision from 1 to 1000 decimal places. Includes an interactive unit circle, domain validation, a step-by-step explanation and one-click copy of any result.

Calculate the cosine of any angle with high precision, interactive unit circle visualization, cosine wave graph, step-by-step solutions, and special angle recognition. Supports degrees and radians.

Convert angles from decimal degrees (e.g., 30.263889°) to Degrees, Minutes, Seconds (DMS) format (e.g., 30° 15' 50"). Supports GPS coordinates, navigation, and surveying applications with step-by-step conversion and visual breakdown.

Enter DMS coordinates or batch paste up to 50 lines to convert degrees, minutes, and seconds into decimal degrees for GPS and GIS mapping.

Calculate hyperbolic functions (sinh, cosh, tanh) and their inverses (asinh, acosh, atanh) with adjustable precision from 1 to 1000 decimal places. Features step-by-step solutions, interactive graphs, and identity verification.

A premium interactive unit circle tool. Drag to explore angles, snap to special values, see all 6 trig functions live, copy values instantly, and learn with step-by-step breakdowns and exact fractional values.

Solve triangles using the Law of Cosines. Supports SAS (Side-Angle-Side) and SSS (Side-Side-Side) cases. Get step-by-step solutions, interactive triangle visualization, area, perimeter, and triangle classification!

Use the Law of Sines to find unknown sides or angles in a triangle. Supports the ASA, AAS and SSA cases with ambiguous-case detection, and gives step-by-step solutions with a detailed explanation of each stage.

Solve right triangles by entering any two known values (sides or angles). Calculate all missing sides, angles, area, and perimeter with detailed step-by-step explanations and visual diagrams.

Calculate the sine of any angle with high precision, interactive unit circle visualization, sine wave graph, step-by-step solutions, and special angle recognition. Supports degrees and radians.

Calculate the tangent of any angle with precision from 1 to 1000 decimal places. Supports degrees and radians, shows step-by-step solutions, an interactive unit circle, and clearly flags vertical asymptotes with a special angles table.

Choose sine, cosine, tangent, cotangent, secant, or cosecant and set A, B, C, and D in y = A*f(B(x-C)) + D to graph the curve.

Enter a known trig value, quadrant, and identity type to calculate sin, cos, tan, csc, sec, and cot with step-by-step solutions up to 100 decimal places.