Trigonometry ratios, sine, cosine and tangent can be used to calculate lengths of sides and sizes of angles in right-angled triangles. The labels given to the other two sides, opposite and adjacent, ...

This trigonometry and precalculus video tutorial shows you how to graph trigonometric functions such as sine and cosine functions using transformations, phase shifts, period, and amplitude. It also ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Math teachers have free new resources to help them quickly and effectively bring technology-based ...