## anonymous 5 years ago Can someone walk me through how to take the derivative of (4log sub 2(secx))?

1. anonymous

$4 \log_2 \sec x$?

2. anonymous

the derivative of log is as follow $\log _{b}x \rightarrow1 /( x * \ln b)$

3. anonymous

$4\log_{2}(secx)$

4. anonymous

Eugh. You need to change the base first - base e looks sooooooo much nicer. Or just use a standard formulae. Unsure how good the above one is, I never do this.

5. anonymous

Thank you for all of your help!

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