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Asked by Anonymous

Th integral of tan(3x)dx
10 years ago

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Answered by Reiny
tan (3x) = sin(3x)/cos(3x)

so ∫tan(3x) dx
= ∫sin(3x)/cos(3x) dx
= -(1/3) ln(cos(3x)) + c
10 years ago
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Th integral of tan(3x)dx

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