Cosine:
There are three different versions of the cosine double angle identity, which can be found by deriving from each other.
Original Identity:
To derive a new identity substitute:
New versions of identity:
Tangent:
Showing posts with label identities. Show all posts
Showing posts with label identities. Show all posts
Tuesday, April 10, 2012
Double-Angle Identities
Sine:
Cosine:
There are three different versions of the cosine double angle identity, which can be found by deriving from each other.
Original Identity:
To derive a new identity substitute:
New versions of identity:
Tangent:
Cosine:
There are three different versions of the cosine double angle identity, which can be found by deriving from each other.
Original Identity:
To derive a new identity substitute:
New versions of identity:
Tangent:
Wednesday, March 21, 2012
Trigonometric Identities
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