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anonymous
 5 years ago
find the limit of lim cos (2tan^(1)x)) as x>+infinity
anonymous
 5 years ago
find the limit of lim cos (2tan^(1)x)) as x>+infinity

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0We can find the limit as x approaches positive infinity by finding the limit inside the cosine first. The limit as x > infinity of 2arctanx is 2*pi/2 because there is a horizontal asymptote for arctanx at x = pi/2. So, we then evaluate cos(2pi/2) = cos(pi) = 1.
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