Trigonometry Solver
Solve trigonometric equations, evaluate trig functions, and simplify trig identities. Our solver handles degrees and radians.
SolverFree · no sign-upStep-by-step answers
How to use this calculator
- 1Enter your values or expression in the fields above.
- 2Press Enter or click the calculate button.
- 3Read the result, then follow the numbered step-by-step working to understand each stage.
Worked Examples
Frequently Asked Questions
Degrees or radians?
Both are supported. Specify degrees with the ° symbol, or use radians by default.
Related Calculators
Learn the concepts
Understand the theory behind this calculator.
Trigonometry
Trigonometric Identities
Trigonometric identities are equations involving trigonometric functions that are true for all values.
Algebra
Linear Equations
A linear equation is an equation of the first degree — the highest power of the variable is 1. It graphs as a straight line.
Algebra
Quadratic Equations
A quadratic equation has the form ax² + bx + c = 0. It can have two, one, or zero real solutions.
Algebra
Systems of Equations
A system of equations is a set of equations with multiple variables that are solved together.