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- Hydraulics: Rotating Vessel
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- General Solution of $y' = x \, \ln x$
- engineering economics: construct the cash flow diagram
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- Maxima and minima (trapezoidal gutter)
- Special products and factoring
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- Law of cosines
- Can you help me po to solve this?
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The differentiation you need…
The differentiation you need is direct from the following formulas:
From your equation, $u = 2x$ from which $du = 2$, hence,
$\dfrac{d}{dx} \left[ \tan 2x + \sec 2x \right] = 2 \sec^2 2x + 2 \sec 2x \tan 2x$