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To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

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UnitCircleDegree

QuestionAnswer
Sin 0 0
Cos 0 1
Sin 30 1/2
Sin 45 √2/2
Cos 45 √2/2
Sin 60 √3/2
Cos 60 1/2
Sin 90 1
Cos 90 0
Sin 120 √3/2
Cos 120 -1/2
Sin 135 √2/2
Cos 135 -√2/2
Sin 150 1/2
Cos 150 -√3/2
Sin 180 0
Cos 180 -1
Sin 210 -1/2
Cos 210 -√3/2
Sin 225 -√2/2
Cos 225 -√2/2
Sin 240 -√3/2
Cos 240 -1/2
Sin 270 -1
Cos 270 0
Sin 300 -√3/2
Cos 300 1/2
Sin 315 -√2/2
Cos 315 √2/2
Sin 330 -1/2
Cos 330 √3/2
Sin 360 0
Cos 360 1
Created by: bacherts