Calcular la integral trigonométrica $\int\cos\left(4x\right)\cos\left(6x\right)dx$

Calcular la integral

$\int\frac{dx}{1+\cos^2\left(x\right)}$

Calcular la integral

$\int\frac{dx}{1+cos^2x}$

Calcular la integral

$\int\frac{1}{1-sin\left(x\right)}dx$

Calcular la integral

$\int\frac{dx}{1-sin\left(x\right)}$

Calcular la integral

$\int\frac{1}{1-sinx}dx$

Calcular la integral

$\int\frac{dx}{1+sinx+cosx}$

Calcular la integral

$\int\frac{dx}{1-\cos\left(x\right)}$