Cosine of Integer Multiple of Argument/Formulation 2/Examples
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Examples of Use of Cosine of Integer Multiple of Argument/Formulation 2
Cosine of Quintuple Angle
- $\map \cos {5 \theta } = \cos^5 \theta \paren {1 - 10 \tan^2 \theta + 5 \tan^4 \theta}$
Cosine of Sextuple Angle
- $\map \cos {6 \theta } = \cos^6 \theta \paren {1 - 15 \tan^2 \theta + 15 \tan^4 \theta - \tan^6 \theta}$