Ответ:[tex]=\frac{1}{5}*sin(5x)+C[/tex]
Объяснение:
5х =z 5dx=dz => dx=dz/5
[tex]\int\limits^a_b {cos5x} \, dx =\frac{1}{5} \int\limits^a_b {cosz} \, dz = \frac{1}{5}*sinz +C=\\=\frac{1}{5}*sin(5x)+C[/tex]
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Ответ:[tex]=\frac{1}{5}*sin(5x)+C[/tex]
Объяснение:
5х =z 5dx=dz => dx=dz/5
[tex]\int\limits^a_b {cos5x} \, dx =\frac{1}{5} \int\limits^a_b {cosz} \, dz = \frac{1}{5}*sinz +C=\\=\frac{1}{5}*sin(5x)+C[/tex]