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Integral: ∫ 2 / (1 cos 2x) dx ✨ A quick trick using trigonometric identities! Did you know this integral hides a simple tan x inside? Watch how we simplify 1 cos ⁡ 2 𝑥 1 cos2x into something beautiful 😍 #MathReel #IntegrationTricks #Trigonometry #MathSimplified | EngineerKnow
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