Double And Triple Angle Formulae (trig) Flashcards

1
Q

Sin(A ±B)

A

SinA cosB ± cosA sinB

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2
Q

SinA cosB ± cosA sinB

A

Sin(A ± B)

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3
Q

Cos(A ± B)

A

CosA cosB ∓ sinA sinB

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4
Q

CosA cosB ∓ sinA sinB

A

Cos(A ± B)

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5
Q

Tan (A ± B)

A
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6
Q
A

Tan(A ± B)

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7
Q

Sin2A

A

2sinA cosA

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8
Q

2sinA cosA

A

Sin2A

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9
Q

Cos2A

A
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10
Q
A

Cos2A

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11
Q

Tan2A

A
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12
Q
A

Tan2A

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13
Q

Sin3A

A
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14
Q
A

Sin3A

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15
Q

Cos3A

A
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16
Q
A

Cos3A

17
Q

Small angle sinh

A

h

18
Q

Small angle tan h

A

h

19
Q

Small angle cosh

A