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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

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

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