Other
Pheng Kim Ving: Limits of Trigonometric Functions
This site provides an explanation on the limits of trigonometric functions. Topics included on the site are infinite limits, no limits at infinity and a fundamental limit.
Savvas Learning
Math Captain: End Behavior
This site provides an explanation of the end behavior of functions. Covers end behavior as it relates to function models, rules, polynomials, asymptote, functions, and graphs.
Other
Socrative: End Behavior
On this site students can pose questions to get answers to problems they are having with their math homework. On this particular section, the topic of the end behavior of a sine function is discussed.