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anonymous
 5 years ago
what is the derivative of rad(cos^3x)?
anonymous
 5 years ago
what is the derivative of rad(cos^3x)?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[\sqrt{\cos ^{3}x}\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0the derivative of the inside is (.5)(3(sinx)^2)^1

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I mean the derivative of the whole thing

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0on the outside is it 1/2?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0wait no type.. it is (.5) ((sinx)(3(cosx)^2))^1/2

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0The constant term is 1/2 and the whole second part should be in the denomenator

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0okay so when you chan the radical, you do the derivative of the cos. and in finding the derivative of cos, you have to chain it again?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yes its a whole bunch of chains.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0haha, okay. are you taking ap test?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Ya i am.. taking BC calc

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0did you take the AB last year?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I learned all of this in like middle school, and then now I'm just testing out of it so I can take college next year. calc 3 = fun

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0haha. cool. i'll take the AB test next week. =] good luck with everything !

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Ya I was wrong again.. use http://www.wolframalpha.com/input/?i=%28cos^3x%29^.5

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i didn't know you could use u sub for derivatives...

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0They use it for the chain rule, but most of the time you don't see it.,
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