Math / Trigonometry / Navigation Word Problem
Fundamentals of Trigonometry Video Lecture Course
www.learnerstv.com
Basic Trigonometry (with worked solutions & videos)
www.onlinemathlearning.com
Trigonometry Module 3 : Word Problems on Heights and Distances
www.syvum.com
Math Forum - Ask Dr. Math Archives: High School Trigonometry
mathforum.org
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