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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.
- Number Line
מחשבון משוואות טריגונומטריות - פותר משוואות טריגונומטריות...
- Ecuaciones Trig
2\cos ^2(x)-\sqrt{3}\cos (x)=0,\:0^{\circ \:}\lt x\lt...
- Product to Sum
identity\:\cos(x)\sin(y) Description. List product to sum...
- Pythagorean
Free Pythagorean identities - list Pythagorean identities by...
- Negative Angle
identity\:\cos(-x) identity\:\tan(-x) Description. List...
- Angle Sum/Difference
Free Angle Sum/Difference identities - list angle...
- Multiple Angle
Free multiple angle identities - list multiple angle...
- Number Line
Kalkulator odwrotnego cosinusa. Wprowadź cosinus, wybierz stopnie (°) lub radiany (rad) i naciśnij przycisk = : cos -1.
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.
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.
Trigonometric equation solver. This calculator can solve basic trigonometric equations such as: sin(x) = 21 or 2cos(− 43x) − 1 = 0. The calculator will find exact or approximate solutions on custom range. Solution can be expressed either in radians or degrees.
Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.
