This Algebra 2 worksheet offers in-depth practice on trigonometric functions of any angle, with a focus on the unit circle, reference angles, quadrants, and the Pythagorean identity. Designed to align with Common Core Standards HSF.TF.A.2 and HSF.TF.C.8, this resource provides over 60 practice problems and a structured layout that supports both conceptual understanding and procedural fluency. Common Core Standards Addressed:HSF.TF.A.2 – Explain how the unit circle enables the extension of t