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Star
 5 years ago
the limit as x> 0 for
cos(2x)1 / cos(3x)1
Star
 5 years ago
the limit as x> 0 for cos(2x)1 / cos(3x)1

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myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0ok if you plug in 0 you get 0/0 so you can use l'hospital's rule 2sin(2x)/3sin(3x) give me just a sec i'm going to use the equation thingy

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0\[\lim_{x \rightarrow 0}\frac{2}{3} \frac{\sin(2x)}{2x}\frac{\sin(3x)}{3x}6x^2\]

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0\[\lim_{x \rightarrow 0} \frac{\cos(2x)1}{\cos(3x)1}\]

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0i put sin(3x) in the numerator do you see that?

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0\[\lim_{x \rightarrow 0}\frac{2}{3}\frac{\sin2x}{2x}\frac{3x}{\sin(3x)}\frac{2x}{3x}\]

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.0got it? do you remember what sinx/x goes to as x goes to 0?
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