# Shared Flashcard Set

## Details

Algebra 2 Trigonometry Formulas
Formulas that need to be memorized
30
Mathematics
05/27/2011

Term
Definition
 [image]
Term
Definition
 S = θr
Term
 1 - sin2θ
Definition
 cos2θ
Term
 1 - cos2θ
Definition
 sin2θ
Term
 Sum of the roots
Definition
 [image]
Term
 Product of the roots
Definition
 [image]
Term
 tan θ
Definition
 [image]
Term
 cot θ
Definition
 [image]
Term
 sec θ
Definition
 [image]
Term
 Nature of the roots when b2 - 4ac is a positive, perfect square
Definition
 real, rational, unequal
Term
 Nature of the roots when b2 - 4ac is a positive, non-perfect square
Definition
 real, irrational, unequal
Term
 Nature of the roots when b2 - 4ac is zero
Definition
 real, rational, equal
Term
 Nature of the roots when b2 - 4ac is negative
Definition
 imaginary
Term
 Exact value of 0.8660...
Definition
 [image]
Term
 Exact value of 0.5773...
Definition
 [image]
Term
 Exact value of 0.7071...
Definition
 [image]
Term
 Exact value of 1.732...
Definition
 [image]
Term
 Conjugate of a binomial   (a+b)
Definition
Term
 log a + log b
Definition
 log (ab)
Term
 log a - log b
Definition
 log (a/b)
Term
 log ac
Definition
 c log a
Term
 Amplitude of y = a sin bx
Definition
 |a|
Term
 Period of y = a sin bx
Definition
 (2π)/b or (360°)/b
Term
 Frequency of y = a sin bx
Definition
 b
Term
 Population Standard Deviation
Definition
 σx
Term
 Sample Standard Deviation
Definition
 Sx
Term
 Variance
Definition
 (Standard Deviation)2
Term
 Domain
Definition
 All possible x values
Term
 Range
Definition
 All possible y values
Term
 [image]
Definition
 [image]
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