Curated OER
Analytic Geometry
In this analytic geometry worksheet, 9th graders graph and solve 13 different types of problems that include determining whether equations are linear to matching given equations to their corresponding equation in the second column....
University of Saskatchewan (Canada)
University of Saskatchewan: Trigonometric Identities
The University of Saskatchewan provides an explanation of trigonometric identities, including the reciprocal identities, the addition and subtraction formulas with sine and cosine, and the double angle formulas. There are links to...
Stanford University
Stanford Encyclopedia of Phil.: Ontological Arguments
Overview from the Stanford Encyclopedia of Philosophy of the structure and history of ontological arguments for the existence of God. Lists the major attempts (and includes extensive bibliography for them), then describes the various...
Internet Encyclopedia of Philosophy
Internet Encyclopedia of Philosophy: Immanuel Kant (1724 1804)
A very in-depth look at the philosophical ideas of Immanuel Kant on subjects such as ethics, rationalism, and much more.
Friesian School
Fresian School: Kant and First Principles
This resource provides a good explanation of Kant's famous analytic-synthetic distinction. After explaining it, author critiques Kant's resolution of the problem of first principles.
Clark University
Clark University: Dave's Short Trig Course
This Clark University trigonometry tutorial site features questions and answers about what students can learn from trigonometry.
Other
Technical Tutoring: The Very Fast Trig Review
This resource is a quick review of the functions and identities in trigonometry.
Other
Technical Tutoring: Trigonometry: The Very Fast Review
This site is a quick review of the functions and identities in trigonometry. Very helpful site.