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anonymous
 3 years ago
Logarithmic Derivatives?
anonymous
 3 years ago
Logarithmic Derivatives?

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0\(\ \Large f(\theta)=ln(cos\theta) ??\)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0ln(x) its derivative is (1/x)d/dx(x)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0do the same with cosx

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0So use the Chain Rule?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0hmm not so let me draw for u.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1353048499720:dw when u have to take derivatives of log functions this is formula u have to remember

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1353048585263:dw

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0So: dw:1353048624893:dw Or do I insert ln(cosx)?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0So use the chain rule.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0@malical after this step?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Yes. Nubeer said no but his drawing said yes. That d/dx is taking another derivative of just cosx.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Oh okay, that's what I was thinking! Thanks for the help guys!

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0That's okay @nubeer. I'm appreciate that you tried to help! ;)
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