Power-Reduction Identity for Cosine
$$\cos^2x=\frac{1+\cos2x}{2}$$
Usage
- Used to reduce even powers of cosine.
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CAT Formulas
Indefinite Integration
Power-Reduction Identity for Cosine
Power-Reduction Identity for Cosine
$$\cos^2x=\frac{1+\cos2x}{2}$$
Usage
- Used to reduce even powers of cosine.
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