Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Proof of Some Trigonometric Limits
Students learn about two trigonometric limits. The resource consists of two proofs and diagrams.
Other
Ltcc: Limits (Algebraically)
Students learn how to evaluate limits algebraically. Topics include infinite limits, trigonometric limits, and the squeeze theorem. Definitions and examples with solutions are included.
Massachusetts Institute of Technology
Mit: Calculus Index
This site from the Massachussets Institute of Technology has links to various topics in calculus.