How to Use Right-Triangle Trigonometry
Open Triangle Calculator in full screen Open the Triangle Calculator in full screen → TL;DR: Three little ratios unlock almost every right triangle problem you’ll ever meet: sine, cosine, and tangent. The mnemonic SOHCAHTOA carries the whole thing, sine is opposite over hypotenuse, cosine is adjacent over hypotenuse, tangent is opposite over adjacent. Pick the […]
