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March 3, 2015

March 3, 2015

Posted by **Reen** on Saturday, November 7, 2009 at 10:26pm.

- limits -
**Reiny**, Saturday, November 7, 2009 at 10:35pmAs x ---> ∞ , 1/x ---> 0

So

lim sec^2(1/x) as x---> infinity

= lim sec^2(x) as x---> 0

= lim (1/cos^2(x) as x --->0

= 1/1

= 1

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