Trigonometry Calc vs EPHS Trig

Solve right triangles in seconds. Enter two values and Trigonometry Calc finds the missing side or angle. CALCULATE SIDES • Find side a, b or the hypotenuse c with the Pythagorean theorem • Clear diagrams show which side you are solving for CALCULATE ANGLES • Find angle A from two sides using sine, cosine or tangent • Results in degrees ANY TRIANGLE – PREMIUM • Solve triangles without a right angle using SAS, SSA and ASA • See all missing sides and angles at once LEARN THE THEORY • The unit circle with sin, cos and tan explained • An illustrated walk-through of the Pythagorean theorem • All formulas the app uses, in one place GOOD FOR • Students in math, physics and technical subjects • Homework and checking your own calculations • Carpenters, builders and DIY projects that need angles and lengths PREMIUM One purchase removes all ads forever and unlocks the general triangle calculator. No subscription. Works on iPhone and iPad.

Take a quiz of ten questions to test your knowledge of trigonometry. This helps reinforce what you know about sin, cos, and tan.