This lesson explores the relationships between triangles made on a unit circle and the six trigonometric functions. It is 3 of 5 in the series titled "Triangles in the Unit Circle."

This lesson explores the relationships between triangles made on a unit circle and the six trigonometric functions. It is 4 of 5 in the series titled "Triangles in the Unit Circle."

This lesson explores the relationships between triangles made on a unit circle and the six trigonometric functions. It is 1 of 5 in the series titled "Triangles in the Unit Circle."

This part 2 of a QuickTime movie provides an introduction to graphing in all the quadrants on the coordinate plane using the game Tic Tac Toe. As you watch and listen to the teacher and student interact it helps clarify the thinking...

This QuickTime movie from MathFlix provides an introduction to graphing inthe first quadrant on the coordinate plane using the game Tic Tac Toe. As you watch and listen to the teacher and student interact it helps clarify the thinking...