Integration

By using the integration by substitution method :
u=2x
du= 2dx ===> 1/2 du=dx
so, after substitution with the variable u in the integral will have this answer :
1/2 ln(sec(2x) +tan(2x) ) +C
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https://www.studypool.com/documents/7139459/methods-of-integral-calculation-part-1

https://www.studypool.com/documents/8135108/methods-of-integral-calculation-part-2-calculus

https://www.studypool.com/documents/8135115/methods-of-integral-calculation-part-3-calculus

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