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=$\dfrac{1}{ln10}$$\int ln(συνx)(εφx)΄dx$=$\dfrac{ln(συνx)εφx}{ln10}$-$\dfrac{1}{ln10}$$\int\dfrac{-ημxεφx}{συνx}dx$==$\dfrac{ln(συνx)εφx}{ln10}+\dfrac{1}{ln10}\int (εφx)^{2}dx$=$\dfrac{ln(συνx)εφx}{ln10}+\dfrac{εφx-x}{ln10}$+c
=$\dfrac{1}{ln10}$$\int ln(συνx)(εφx)΄dx$
ΑπάντησηΔιαγραφή=$\dfrac{ln(συνx)εφx}{ln10}$-$\dfrac{1}{ln10}$$\int\dfrac{-ημxεφx}{συνx}dx$=
=$\dfrac{ln(συνx)εφx}{ln10}+\dfrac{1}{ln10}\int (εφx)^{2}dx$=$\dfrac{ln(συνx)εφx}{ln10}+
\dfrac{εφx-x}{ln10}$+c