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It's A Very Useful Identity For Integration

Geometry Level 2

\[ \large \dfrac{1 + \cos 2\theta}{1-\cos 2\theta} \]

Simplify the trigonometric function above.

\[ \cot^2\theta\] \[ \tan^2\theta\] \[ \sin^2\theta\] \[ \csc^2\theta\]

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by Pi Han Goh

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