Live Public Directory Listings- Kids and Teens > School Time > Math > Trigonometryhttp://www.lpdl.org/Kids_and_Teens/School_Time/Math/Trigonometry/Live Public Links Activities in Math: Trigonometryhttp://www.lpdl.org/Kids_and_Teens/School_Time/Math/Trigonometry/detail/link-3349.htmlThree comprehensive modules from Syvum. Each includes theory and explanation, along with practice exercises.Fri, 22 May 2026 14:24:14 GMTAn Index of Trigonometry Help Pageshttp://www.lpdl.org/Kids_and_Teens/School_Time/Math/Trigonometry/detail/link-3350.htmlProvides detailed discussion of trigonometry concepts. Includes examples of varying difficulty.Fri, 22 May 2026 14:24:14 GMTDave's Short Trig coursehttp://www.lpdl.org/Kids_and_Teens/School_Time/Math/Trigonometry/detail/link-3351.htmlCovers basic definitions and concepts in beginning trigonometry.Fri, 22 May 2026 14:24:14 GMTS.O.S. Math - Trigonometryhttp://www.lpdl.org/Kids_and_Teens/School_Time/Math/Trigonometry/detail/link-3352.htmlCovers measuring degrees, equations, and formulas. Includes illustrations and related links.Fri, 22 May 2026 14:24:14 GMTSine and Other Trigonometric Functionshttp://www.lpdl.org/Kids_and_Teens/School_Time/Math/Trigonometry/detail/link-3353.htmlInteractive tests and exercises.Fri, 22 May 2026 14:24:14 GMTTrigonometryhttp://www.lpdl.org/Kids_and_Teens/School_Time/Math/Trigonometry/detail/link-3354.htmlIntroduction to trigonometry. Includes links to trig-based animations and definitions.Fri, 22 May 2026 14:24:14 GMTTrigonometry Angle Calculatorhttp://www.lpdl.org/Kids_and_Teens/School_Time/Math/Trigonometry/detail/link-3355.htmlVisually calculate angles, lengths and circle dimensions.Fri, 22 May 2026 14:24:14 GMTTrogonometry Ihttp://www.lpdl.org/Kids_and_Teens/School_Time/Math/Trigonometry/detail/link-3356.htmlSelf-teaching site offered by Doug Simms. Watch instructional videos, then print exercise and answer sheets.Fri, 22 May 2026 14:24:14 GMT