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October 25, 2014

October 25, 2014

Posted by **Nick** on Thursday, January 8, 2009 at 4:22am.

lim as x->0 (tan^3 (2x))/(x^3)

- Calc -
**Damon**, Thursday, January 8, 2009 at 5:51amThe power series for tan y is

y + y^3/3 + 2 y^5/15 .... for small y

so the biggest term in tan 2x would be 2x for x <1

so the biggest term in tan^3 2x would be 8 x^3

and 8 x^3/x^3 = 8

- Calc -
**Nick**, Thursday, January 8, 2009 at 5:52amOhhh, thanks Damon!

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