Quadrantal Angles

Quadrantal Angles and Reference Triangles

Move the terminal side of the angle around the circle. What happens when the terminal side of an angle falls on the x or y axis in between each quadrant. What conclusions can you make?

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Icosahedron
Variation Theory Parallelogram Proofs
Poorly Drawn Parallelograms 3
Finding Average Rate of Change of a Function
Tutorial: Create lists of numbers and objects

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inscribe circle in triangle
Centers of Triangles
Exploring Graphs of Transformed Periodic Functions
MF_Cuad2d
two mirros

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Difference and Slope
Quadrilaterals
Solids or 3D Shapes
Area
Trigonometric Functions