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heatherh294
 2 years ago
Find local min and max and the points of inflection for
f(x)= 3(cos(x))^2  6sin(x)
heatherh294
 2 years ago
Find local min and max and the points of inflection for f(x)= 3(cos(x))^2  6sin(x)

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freewilly922
 2 years ago
Best ResponseYou've already chosen the best response.0Do you know how to do the chain rule with respect to trig functions?

freewilly922
 2 years ago
Best ResponseYou've already chosen the best response.0Example \[ \bigg(\cos^4(x)\bigg)^{\prime}=4\cos^3(x)\]

freewilly922
 2 years ago
Best ResponseYou've already chosen the best response.0oh and generally \[\cos^2(x) = (\cos(x))^2\]

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1let me write it correctly \[f'(x)=6\cos(x)\sin(x)6\cos(x)]\] that's better

myininaya
 2 years ago
Best ResponseYou've already chosen the best response.1\[\(cos^2(x))'=2\cos(x)(\sin(x))=2\cos(x)\sin(x)\]

myininaya
 2 years ago
Best ResponseYou've already chosen the best response.1@freewilly922 your example is a little off

myininaya
 2 years ago
Best ResponseYou've already chosen the best response.1Corrected example from above: \[(\cos^4(x))'=4\cos^3(x)(\sin(x))=4\cos^3(x)\sin(x)\]

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1i just ate a mini kitkat
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