Solve the equation $10wz+5w+2z+1$$=0$

Find the integral

$\int arctanxdx$

Find the integral

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

Find the integral

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

Find the integral

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

Find the integral

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

Find the integral

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

Find the integral

$\int\sec^4xdx$