Search results
Free trigonometry calculator - calculate trignometric equations, prove identities and evaluate functions step-by-step.
- Number Line
מחשבון טריגונומטריה - פותר משוואות טריגונומטריות, מוכיח...
- Number Line
Free math problem solver answers your trigonometry homework questions with step-by-step explanations.
Trigonometry is a branch of mathematics concerned with relationships between angles and side lengths of triangles. In particular, the trigonometric functions relate the angles of a right triangle with ratios of its side lengths.
sin(θ + 2πn) = sin(θ); cos(θ + 2πn) = cos(θ); and For example a trig function at 90° (π/2) will be mathematically the same as at 450° (5π/2), as 5π/2 = π/2 + 2π.
This cosine calculator is a twin tool to our sine calculator – add to them the tangent calculator, and you'll have a pack of the most popular trigonometric functions. Simply type the angle – in degrees or radians – and you'll find the cosine value instantly.
Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.
Use inverse trigonometric functions to find the solutions, and check for extraneous solutions. A basic trigonometric equation has the form sin (x)=a, cos (x)=a, tan (x)=a, cot (x)=a. The formula to convert radians to degrees: degrees = radians * 180 / π.
