ammu123
find the derivative of y with respect to x, t or theta as appropriate.
y= ln(cos(ln theta))
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fanitariq
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its very simple
ammu123
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please help me
fanitariq
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-(1/cos(ln theta))*(sin(ln theta)*1/theta
stamp
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\[\frac{d(ln(cos(ln(\theta)))}{dx}\]
stamp
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Should be dTheta
ammu123
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the answer is - (tan (ln theta))/ theta
ammu123
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i just dont no how to get to that
stamp
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\[\frac{1}{cos(ln(\theta))}*-sin(ln(\theta))*\frac{1}{\theta}\]\[\frac{-sin(ln(\theta))}{cos(ln(\theta))}\frac{1}{\theta}\]\[=\frac{-tan(ln(\theta))}{\theta}\]Let me know if we need to go over anything.
ammu123
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thank you this explains it :)
stamp
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Ok good luck in calculus
ammu123
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thank you its really hard. just trying to keep up. have a test coming up i just hope to pass it. thank you for ur help!
stamp
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Sure thing. Private message me if you ever want to discuss more problems.
ammu123
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ok thank you!