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Berechne die Ableitung der Exponentialfunktion \( f(x)=x^{\tan(x)} \)

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[ln(x)]' = 1/x

[tan(x)]' = 1/cos(x)2

f(x) = xtan x = eln(x^ tan(x)) = etan x * ln x

f'(x) = etan x * ln x * (1/cos(x)2 * ln(x) + tan(x) * 1/x)

f'(x) = xtan x * (ln(x)/cos(x)2 + tan(x)/x)

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