Copy of Sin Cos and Tan animated from the unit circle

Autor:Rita Visser, Tim Elton

See how the functions sin, cos, and tan are defined from the unit circle, extending the definitions beyond the the 0 to 90 degrees that fit nicely inside a right-angled triangle.

Nuevos recursos

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Vertical and Oblique Asymptote
Which Quadrilateral is Which?
Slope Between 2 Points (Phase 2)
Combining Random Variables

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Actual quiz
กราฟของสมการเชิงเส้นตัวแปรเดียว
สามเหลี่ยมพีทาโกรัส
EM 2009 P2 Q5b
Square puzzles

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Probabilidad Condicional
Características estadísticas
Raíz
Segmento
Geometría