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shahzadjalbani
 3 years ago
Derivative of cos x^2 by abinitio method.......?
shahzadjalbani
 3 years ago
Derivative of cos x^2 by abinitio method.......?

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shahzadjalbani
 3 years ago
Best ResponseYou've already chosen the best response.0@sakh @ParthKohli @ParthKohli

Rogue
 3 years ago
Best ResponseYou've already chosen the best response.0I don't know what the abinitio method is, but you can differentiate this by using the chain rule.\[\frac {d}{dx} \left[ \cos^2 x \right] = 2 \cos x * \frac {d}{dx} \left[ \cos x \right] = 2 \cos x \sin x = \sin 2x\]
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