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Trigonometry Calculator

Solve triangles, calculate trigonometric functions, and find inverse functions with step-by-step solutions. Perfect for students, teachers, and developers.
Right Triangle Solver

Enter any two values (sides or angles) to solve the right triangle.

units

units

units

°

°

Triangle Diagram
Right Triangle

C (Hypotenuse)

A (Opposite) = ?

B (Adjacent) = ?

C (Hypotenuse) = ?

∠A = ?°

∠B = ?°

∠C = 90°

Trigonometry Guide

Basic Trigonometric Functions

In a right triangle:

  • sin(θ) = Opposite / Hypotenuse
  • cos(θ) = Adjacent / Hypotenuse
  • tan(θ) = Opposite / Adjacent
  • csc(θ) = 1 / sin(θ)
  • sec(θ) = 1 / cos(θ)
  • cot(θ) = 1 / tan(θ)
Pythagorean Theorem & Applications

a² + b² = c² - Relates the sides of a right triangle

Common Uses:
• Architecture and construction
• Navigation and GPS
• Computer graphics
• Physics and engineering
• Game development

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