NZ Scholarship Calculus Practice Questions - New Zealand Scholarship Calculus Assessment (NZQA Standard 93202) Exam

Differentiate y = \ln(\cos(x)) with respect to x for x \in (0, \pi/2).

-\tan(x) \tan(x) -\cot(x) \frac{1}{\cos(x)}

Correct Answer:

-\tan(x)

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