Integrating with u-substitution the Integral of cotx The Math Sorcerer منتشر شده در تاریخ 1393/06/23 Please Subscribe here, thank you!!! ... Please Subscribe here, thank you!!! https://goo.gl/JQ8NysHow to integrate cotx with u-substitution همه توضیحات ... #education #integral_literature_subject #integration_by_substitution #mathematics_field_of_study