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Pre-Calculus
Math 3
32
Other
Undergraduate 1
03/20/2013
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Term
Sin²(θ) + Cos²(θ) =
 Definition
1
Term
Sin²(θ) =
 Definition
1 - Cos²(θ)
Term
Cos²(θ) =
 Definition
1 - Sin²(θ)
Term
Sin(π/2 - θ) =
 Definition
Cos(θ)
Term
Cos(π/2 - θ) =
 Definition
Sin(θ)
Term
Csc(θ) =
 Definition

1

Sin(θ)
Term
Sec(θ) =
 Definition

1

Cos(θ)
Term
Cot(θ) =
 Definition

Cos(θ)

Sin(θ)

 
Term
Sin(θ + 2πk) =
 Definition
Sin(θ)
Term
Cos(θ + 2πk) =
 Definition
Cos(θ)
Term
Tan(θ + πk) =
 Definition
Tan(θ), for interger k.
Term
Sin(s + t) =
 Definition
Sin(s) Cos(t) + Cos(s) Sin(t)
Term
Sin(s - t) =
 Definition
Sin(s) Cos(t) - Cos(s) Sin(t)
Term
Cos(s + t) =
 Definition
Cos(s) Cos(t) - Sin(s) Sin(t)
Term
Cos(s - t) =
 Definition
Cos(s) Cos(t) + Sin(s) Sin(t)
Term
Sin(2θ) =
 Definition
2Sin(θ)Cos(θ)
Term
Cos(2θ) =
 Definition
Cos2(θ) - Sin2(θ)
Term
A = P(1+ r/n)nt
 Definition
Compund Interest Formula
Term
A = Pert
 Definition
Continuously Compounded Interest Formula
Term
N = N0ekt
 Definition
Exponential Growth Formula
Term

T = -ln(2)/k

 

 Definition
Half Life Formula
Term
T = ln(2)/k
 Definition
Doubling Time Formula
Term
θ = s/r
 Definition
Formula for finding Radians using Arc Length
Term
A = 1/2 r2θ
 Definition
Sector Area Formula
Term
Sin2(θ) + Cos2(θ) =
 Definition
1
Term
Sin2(θ) =
 Definition
1 - Cos2(θ)
Term
Cos2(θ) =
 Definition
1 - Sin2(θ)
Term
Tan(θ) =
 Definition

Sin(θ) 

Cos(θ)  

 
Term
Sec(θ) =
 Definition

1

Cos(θ) 

 
Term
Csc(θ) =
 Definition

1

Sin(θ) 

 
Term
Cot(θ) =
 Definition

Cos(θ) 

Sin(θ) 

 
Term
Cot(θ) =
 Definition

1

Tan(θ) 

 
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