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Unit Circle Art! (The Secondary Classroom can be fun too.....)

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10 Secret Trig Functions Your Math Teachers Never Taught You...(because they are from a pre-calculator world) A diagram with a unit circle and more trig functions than you can shake a stick at. (It's well known that you can shake a stick at a maximum of 8 trig functions.) The familiar sine, cosine, and tangent are in blue, red, and, well, tan, respectively. The versine is in green, and the exsecant is in pink. Excosecant and coversine are also in the image.

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This should be the first thing shown in all trigonometry classes

I know this makes sense but I'm damned if I know why. When I come across stuff like this it makes want to learn more.

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Third Grade / Special Education Math Anchor Chart: Intro to Fractions, Circle Model, Bar Model, Definition, Fraction Names

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Students cut and paste relations {as seen in tables, graphs, ordered pairs and equations} and sort them onto a Venn diagram. The "inner circle" of the Venn diagram is only where functions go as functions are always relations but relations are not always functions.

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Another key element was the "sacred circle," a circle on the ground made of stones, wood, and greenery, where the couple exchanged vows. The circle functioned like an altar, expressing Megan and Casey‘s spirituality and their desire for a c...

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