This PowerPoint presentation covers trigonometry and solving triangles using trigonometric functions and identities. It introduces trigonometric ratios like sine, cosine, and tangent and how they are used to solve right triangles. It then covers solving both right and oblique triangles using the Law of Sines and Law of Cosines. The presentation also discusses trigonometric identities and conversions between degrees and radians. Examples are provided to demonstrate solving triangles using the concepts introduced.