Trig Flashcards

0
Q

Cos 30

A

/3 / 2

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1
Q

Sin 30

A

1/2

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2
Q

Tan 30

A

1/ /3

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3
Q

Csc 30

A

2

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4
Q

Sec 30

A

2\ /3

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5
Q

Cot 30

A

/3

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6
Q

Sin 45

A

/2 \ 2

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7
Q

Tan 45

A

1

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8
Q

Sin 0

A

0

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9
Q

Cos 0

A

1

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10
Q

Sin 90

A

1

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11
Q

Cos 90

A

0

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12
Q

Sin 180

A

0

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13
Q

Sin 270

A

-1

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14
Q

Cos 270

A

0

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15
Q

Sin(A+B)=

A

Sin A Cos B + Cos A Sin B

16
Q

Cos A-B=

A

Cos A Cos B + Sin A Sin B

17
Q

Tan A+B=

A

1 - (Tan A Tan B)

18
Q

Sin 2A

A

2SinACosA

19
Q

Cos 2A

A

Cos^2 A - Sin^2 A

20
Q

1/2(1-cos(2A))

A

Sin^2 A

21
Q

1/2(1+cos(2A))

A

Cos^2 A

22
Q

1+cos(2A)

A

Tan^2 A

23
Q

Tan 2A

A

1-tan^2 A

24
Q

Tan^2 A + 1 =

A

Sec^2 A

25
Q

Csc^2 A =

A

1 + cot^2 A

26
Q

Sin a
—— =
A

A

B

27
Q

A^2= b^2 + c^2 – 2bc•cos a

A

Law of Cosines

28
Q

A + B. cos(1/2)(a-b)
—— =. ————–
C. Sin 1/2 c

A

Mollweide’s Formula

29
Q

a+b

A

Tan 1/2(A+B)

30
Q

e^x

A

e^x

31
Q

log(a) x

A

(ln a) x

32
Q

a^x

A

(a^x)•(ln a)