why can't you just take the power rule for trig functions to find the derivative

like for sin^2 the derivative is not 2sin but rather u take the product rule and get 2sincos

Question

why can't you just take the power rule for trig functions to find the derivative

like for sin^2  the derivative is not 2sin but rather u take the product rule and get 2sincos

anonymous · Answer

hmm actually chain rule but same diff but yeah y do i have to do that instead of straight power rule
like i know the chain rule is correct but y is it correct

zarkon · Answer

you know you are using the chain rule when you take the derivative of $$x^2$$

amistre64 · Answer

why do i bother answering it if your just gonna ask it twice ...

amistre64 · Answer

http://openstudy.com/groups/mathematics#/groups/mathematics/updates/4e9cc9500b8b3194becf733a

anonymous · Answer

oh i apologize my pc didnt do anything when i entered so i refreshed and typed it in again and then the question was posted

amistre64 · Answer

:)  yeah, the site is tricky at times, its spose to run best on google chrome

anonymous · Answer

i am on chrome though :'(

amistre64 · Answer

bummer, at any rate; its a chain rule becasue trig functions are "functions" and not simply variables

anonymous · Answer

ok thnx a lot