calc test, quick question

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Erichilles

Senior Member

09-13-2010

calculate the derivatives of the following functions:
b) g(x) = (sin x)^(2x)

my answer was
g'(x) = (sin x)^(2x) * ln(sin(x)) * cos(x) * 2

This is correct, right? I'm thinking the grader mistook a check-mark for a 1 and gave me 1/10 points for this. Just looking for a second opinion


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Elan Tedronai

Senior Member

09-13-2010

2*sinx^(2*x)*log(sinx)

http://www.numberempire.com/derivatives.php


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Erichilles

Senior Member

09-13-2010

dont you need to include the derivative of sin by the chain rule?


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ravar

Member

09-13-2010

use wolfram alpha to check answers