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?

New Resources

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Hypocycloids
Graphing a Circle in Polar Coordinates
Untitled
Involute of the Circle

Discover Resources

Exploring y=mx+c
MG Euler's DS Thm
Circumcenter
Triangle square game
Volume and differentiation

Discover Topics

Natural Numbers
Combinatorics
Geometric Distribution
Hypothesis Testing
Logarithmic Functions