Submitted by admin on Sun, 08/30/2020 - 7:16pm
Multiple Angle Cosine Identities
Each of these identities expresses the cosine function of an angle that is a multiple of another angle in terms of the cosine function of the original angle.
2. 
(Double angle cosine identity)
3. 
(Triple angle cosine identity)
4. 
(Quadruple angle cosine identity)
5. 
(Quintuple angle cosine identity)
6. 
(Sextuple angle cosine identity)
7. 
(Septic angle cosine identity)
8. 
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20. 
In-Text or Website Citation
Tue N. Vu, Multiple Angle Cosine Identities from Series Math Study Resource.
Hyperlink: http://www.seriesmathstudy.com/sms/multipleanglecosine
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