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lgbasalloteBest ResponseYou've already chosen the best response.0
is x raised to cos x? or is cos x raised to cos x?
 one year ago

PhoenixFireBest ResponseYou've already chosen the best response.0
cos(x) raised to cos(x). \[(cos(x))^{cos(x)}\]
 one year ago

ChlorophyllBest ResponseYou've already chosen the best response.2
Let y = ( cosx )^( cosx) Take ln both sides:...
 one year ago

PhoenixFireBest ResponseYou've already chosen the best response.0
\[y=(cos x)^{cos x}\] \[ln y=(cos x)(ln(cos x))\] differentiate both side with respect to x. \[LHS={1 \over y}{dy \over dx}\] RHS=product rule. then rearrange for dy/dx? Yeah?
 one year ago

ChlorophyllBest ResponseYou've already chosen the best response.2
Actually, ( lny )' = y' / y
 one year ago

PhoenixFireBest ResponseYou've already chosen the best response.0
\[{dy \over dx}=ysin x(ln(cos x) + 1)\] That doesn't seem right.
 one year ago

ChlorophyllBest ResponseYou've already chosen the best response.2
Then plug y = cosx ^ cosx back
 one year ago
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