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Rus_ich [418]
4 years ago
10

Evaluate ∫ cot 2x dx.

Mathematics
1 answer:
Rashid [163]4 years ago
3 0
<span>∫ cot 2x dx=
</span><span> ∫ ((cos (2x))/(sen(2x)) dx
 u=</span>sen(2x)
 du=2cos(2x)dx
 ∫ ((1/2)*(1/u))du=
 (1/2)*Ln(u) + C
 (1/2)*Ln(sen(2x)) + C
 answer
<span> C. ½ Ln sin 2x + C</span>
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