Arccos (Inverse Cosine) Calculator - 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. New

Arcsin Calculator - 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. New

Arctan2 Calculator - Calculate the angle between the positive x-axis and a point (x, y) using atan2. Features interactive SVG visualization, step-by-step solution, and high-precision output (1-1000 decimal places). Essential for programming, robotics, navigation, and game development. New

Arctan Calculator - 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. New

Cosine Calculator - 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. New

Cosecant/Secant/Cotangent Calculator - Calculate the reciprocal trigonometric functions with adjustable precision from 1 to 1000 decimal places: Cosecant (1/sin), Secant (1/cos), and Cotangent (1/tan). Interactive unit circle visualization, domain validation, step-by-step explanation, and copy-to-clipboard functionality. New

Decimal Degrees to DMS Converter - 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. New

DMS to Decimal Degrees Converter - Convert angles from DMS (Degrees, Minutes, Seconds) format to decimal degrees with interactive visualization, batch conversion, and smart format parsing. Perfect for GPS, GIS, navigation, and surveying. New

Hyperbolic Functions Calculator - 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. New

Interactive Unit Circle Visualizer - A dynamic visualization of the Unit Circle. Understand the relationship between angles (degrees/radians) and the corresponding sin, cos, and tan values at key points. Features interactive controls and displays all six trigonometric function values. New

Law of Cosines Calculator - 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! New

Law of Sines Calculator - Use the Law of Sines to find unknown sides or angles in a triangle. Supports ASA (Angle-Side-Angle), AAS (Angle-Angle-Side), and SSA (Side-Side-Angle) cases with ambiguous case detection. Get step-by-step solutions with detailed explanations! New

Right Triangle Calculator - 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. New

Sine Calculator - 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. New

High-Precision Tangent Calculator - Calculate the tangent of any angle with adjustable precision from 1 to 1000 decimal places. Supports degrees and radians, shows step-by-step solutions, and clearly flags vertical asymptotes (e.g., 90° + k·180°). New

Trigonometric Function Grapher - Interactive trigonometric function grapher for visualizing sine, cosine, tangent, cotangent, secant, and cosecant. Customize amplitude, frequency, phase shift, and vertical shift (y = A·f(B(x-C)) + D) with real-time parameter adjustment. Perfect for students, teachers, and engineers. New

Trigonometric Identities Calculator - Calculate all trigonometric function values using Pythagorean, Double Angle, and Half Angle identities. Enter any known trig value and quadrant to find sin, cos, tan, csc, sec, cot with step-by-step solutions. New