Question

Неопределенный интеграл cos(2+3x)dx

Answer 1

$int {cos(2+3x)} , dx = frac{1}{3} int {cos(2+3x)} , d(2+3x)=frac{sin(2+3x)}{3}$

Answer 2

$intlimits {cos(3x+2)} , dx =1/3 * intlimits {cos(3x+2)} , 3dx = intlimits {cos(3x+2)} , d(3x+2)$ = $1/3* sin(3x+2)+C$