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PrintablesMaximilian Dorninger
Sinus, Cosinus and Tangens in the Unit Circle
This model shows the relation of sinus, cosinus and tangens in the Unit Circle with a triangle. It shows why sin(45°) is approx. 0.707, cos(45°) is approx. 0.707 and tan(45°) = 1. It's exact, though you have to measure from the center…
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