Encontrar la derivada de $\frac{\sin\left(50\right)}{4\sin\left(60\right)}+\frac{-\cos\left(50\right)}{4\cos\left(10\right)}$

Calcular la integral

$\int\left(x+1\right)^2dx+1$

Calcular la integral

$\int\left(2x+1\right)dx$

Calcular la integral

$\int dx$

Calcular la integral

$\int1dx$

Calcular la integral

$\int\left(3t^2+\frac{t}{2}\right)dx$

Calcular la integral

$\int\left(\pi^2-1\right)dx$

Calcular la integral

$\int\left(\frac{t^2}{2}+4t^3\right)dt$