Academic Resources Corecontent Links 

(1 Precalculus Trigonometry  video lectures (UCI Open Courseware)
(2 Trigonometry  video tutorials, lecture notes, & example problems (OnlineMathLearning.com)
(3 Algebra/Trig. Notes by major topic in .pdf format (Ken Kuniyuki, San Diego Mesa College)
(5 Algebra Equation solver w/ stepbystep solutions (QuickMath)
(6 Beginnerâ€™s Trigonometr In 6 Lessons (Rebecca Adcock, Univ. of Georgia)
(7 Precalculus with Trigonometry  video lectures (Dana Mosely, cengage.com)
(8 Complex Numbers Tutorial (Nipissing Univ.)
(9 Topics In Trigonometry (Lawrence Spector, Borough of Manhattan Community College)
(10 Algebra & Trigonometry  interactive tutorials (Interactive Mathematics)
(11 Short Course in Trigonometry: Tutorial and Exercises (David Joyce, Clark Univ.)
(14 Dave's Short Course On Complex Numbers (David Joyce, Clark Univ.)
(15 Algebra & Trigonometry  Lecture notes w/example probl & solns. (Jerry A. Veeh, Auburn Univ.)
(16 Trigonometry Tutorial w/online exercises (S.O.S. Math.: Trigonometry)
(17 Precalculus Tutorial  sample problems with detailed solutions (J. Bales)
(18 Trigonometry  video lectures (CosmoLearning.com)
(20 Trigonometry  video lectures (Dr. Mohsen Maesumi, Lamar Univ.)
(22 Solving Trigonometric Equations  powerpoint (Mrs. Volynskaya, Math Instructor)
(26 Precalculus  lecture notes with examples (Scott Pike, Mesa Community College)
(28 Trigonometry Tutorials & Problems w/examples explained in detail step by step (A Dendane)
(30 Trigonometry Notes For An Entire Trig Course in PDF Form (MathMotivation.com)
(31 Basic Trigonometry tutorial (freeed.net)
(32 Trigonometry  video tutorials (American Public University System)
(33 Trigonometry  videos arranged by topic (MathByFives, CosmoLearning.com)
(34 Plane Geometry & Solid Geometry  interactive tutorials covering basic concepts (MathIsFun)