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Evaluate the integral! From 0 to pi/3 of 4sec x tan x dx

Mathematics
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\[\int\limits_{0}^{\pi/3} 4\sec x \tan x\]
i am helpi u right noe
Like i get the basic jist of integrals i just get stuck on finding the antiderivative

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Other answers:

oka
see if you can think of a function whose derivative is \(\sec(x)\tan(x)\)
or look in the book for the derivatives of trig functions. you will see it
i cant find the anser
sec 4x and they just applied the chasin rule?
chain*
easier than that
if you take the derivative of \(\sec(4x)\) you will get \(4\sec(4x)\tan(4x)\) which is not at all what you want. just leave the constant alone and take \(4\sec(x)\)
plug in \(\frac{\pi}{3}\) plug in \(0\) and subtract actually forget 0 because \(\tan(0)=0\)
ok perfect i can do it from here thanks :)
yw
answers 2 right?
yes

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