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Trig stuff
Trigometric identities
10
Mathematics
Undergraduate 2
02/20/2013
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Term
Cos(2A)
 Definition
[image]
Term
Double-Angle Identity sin(2X)
 Definition
Double-Angle Identity
2sin(x)cos(x)
Term
Double-Angle Identities cos(2x)
 Definition
cos2(x)-sin2(x)
2cos2(x)-1
1-2sin2(x)
Term
Trig Identities Pythagorean Identities
 Definition
Trig Identities sin2(x) + cos2(x) = 1 sec2(x) - 1 = tan2(x)
Term
Half Angle Identity
 Definition
[image]
Term
Double angle Identity
 Definition
[image]
Term
[image]
 Definition
[image]
Term
[image]
 Definition
[image]
Term
[image]
 Definition
[image]
Term
Eulers Formula
 Definition
e i θ = c o s θ + i s i n θ
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