Pre-Calc Flashcards

0
Q

a^3+b^3

A

(a+b)(a2 -ab+b2)

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1
Q

a^2 - b^2

A

(a + b)(a - b)

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2
Q

(a + b)(a - b)

A

a^2 - b^2

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3
Q

(a+b)(a2 -ab+b2)

A

a^3+b^3

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4
Q

Sum of two squares

A

Probably not factorable

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5
Q

Difference of two cubes

A

a^3-b^3=(a+b)(a^2-ab+b^2)

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6
Q

difference of two squares

A

a^2-b^2 = (a+b)(a-b)

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7
Q

30 degrees

A

pi / 6

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8
Q

pi / 6

A

30 degrees

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9
Q

pi / 4

A

45 degrees

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10
Q

45 degrees

A

pi / 4

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11
Q

pi / 3

A

60 degrees

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12
Q

90 degrees

A

pi / 2

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13
Q

60 degrees

A

pi / 3

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14
Q

pi / 2

A

90 degrees

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15
Q

pi

A

180 degrees

16
Q

180 degrees

A

pi

17
Q

270 degrees

A

3/2 pi

18
Q

3/2 pi

A

270 degrees

19
Q

360 degrees

A

2pi

20
Q

2pi

A

360 degrees

21
Q

pi/6

cos, sin

A

sqrt(3)/2

1/2

22
Q

cos/sin

pi/4

A

sqrt2)/2

sqrt(2)/2

23
Q

cos/sin

pi/3

A

1/2

sqrt(3)/2

24
Q

cos/sin

pi/2

A

0,1

25
Q

cos/sin

2pi

A

1,0

26
Q

sin(-radian)

A

-sin(radian)