Unit Circle Flashcards
1
Q
Cos/Sin(2pi) or Cos/Sin(0)
A
Cos = 1
Sin = 0
2
Q
Cos/Sin(pi)
A
Cos = -1
Sin = 0
3
Q
Cos/Sin(1/2pi) or Cos/Sin(pi/2)
A
Cos = 0
Sin = 1
4
Q
Cos/Sin(3/2pi)
A
Cos = 0
Sin = -1
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