Evaluate the integral by making a substitution (possibly trigonometric) and then applying a reduction formula.

A. - [sec(et - 2) tan(et - 2) - ln] + C
B. [sec(et - 2) tan(et - 2) + ln] + C
C. - [sec(et - 2) tan(et - 2) + ln] + C
D. [sec(et - 2) tan(et - 2) - ln] + C


Answer: B

Mathematics

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A.
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