Unit Circle Flashcards

1
Q

cos(11∏/6)

A

Also cos(330). It equals √3/2.

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2
Q

cos(∏)

A

Also cos(180). It equals -1.

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3
Q

cos(∏/4)

A

Also cos(45). It equals √2/2.

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4
Q

cos(∏/2)

A

Also cos(90). It equals 0.

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5
Q

sin(∏)

A

Also sin(180). It equals 0.

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6
Q

cos(2∏/3)

A

Also cos(120). It equals -1/2.

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7
Q

sin(7∏/4)

A

Also sin(315). It equals -√2/2.

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8
Q

cos(5∏/6)

A

Also cos(150) It equals -√3/2.

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9
Q

sin(2∏/3)

A

Also sin(120). It equals √3/2.

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10
Q

cos(∏/6)

A

Also cos(30). It equals √3/2.

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11
Q

sin(11∏/6)

A

Also sin(330). It equals -1/2.

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12
Q

sin(∏/6)

A

Also sin(30). It equals 1/2.

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13
Q

cos(5∏/3)

A

Also cos(300). It equals 1/2.

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14
Q

cos(∏/3)

A

Also cos(60). It equals 1/2.

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15
Q

sin(∏/3)

A

Also sin(60). It equals √3/2.

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16
Q

sin(∏/4)

A

Also sin(45). It equals √2/2.

17
Q

sin(5∏/4)

A

Also sin(225). It equals -√2/2.

18
Q

cos(4∏/3)

A

Also cos(240). It equals -1/2.

19
Q

cos(0)

A

Also cos (360). It equals 1.

20
Q

sin(5∏/3)

A

Also sin(300). It equals -√3/2.

21
Q

sin(4∏/3)

A

Also sin(240). It equals -√3/2.

22
Q

cos(3∏/4)

A

Also cos(135). It equlals -√2/2.

23
Q

sin(3∏/2)

A

Also sin(270). It equals -1.

24
Q

sin(5∏/6)

A

Also sin(150). It equals 1/2.

25
Q

sin(3∏/4)

A

Also sin(135). It equals √2/2.

26
Q

sin(0)

A

Also sin (360). It equals 0.

27
Q

sin(7∏/6)

A

Also sin(210). It equals -1/2.

28
Q

cos(7∏/6)

A

Also cos(210). It equals -√3/2.

29
Q

cos(3∏/2)

A

Also cos(270). It equals 0.

30
Q

sin(∏/2)

A

Also sin(90). It equals 1.

31
Q

cos(5∏/4)

A

Also cos(225). It equals -√2/2.

32
Q

cos(7∏/4)

A

Also cos(315). It equals √2/2.

33
Q

tan(0)

A

Also tan(360). It equals 0.

34
Q

tan(∏/6)

A

Also tan(30). It equals √3/3

35
Q

tan(

A