I was gonna solve an ODE then I got to a point where I had to solve \displaystyle \int{\frac{1}{cot{\theta},} d{\theta}}

The question was solve the ODE

cot{\theta}d{\rho}+{\rho}d{\theta} =0

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- May 15th 2011, 01:36 AMMathBondIntegral of 1/cotx
I was gonna solve an ODE then I got to a point where I had to solve \displaystyle \int{\frac{1}{cot{\theta},} d{\theta}}

The question was solve the ODE

cot{\theta}d{\rho}+{\rho}d{\theta} =0 - May 15th 2011, 01:46 AMProve It
Rewrite it as $\displaystyle \displaystyle \int{\frac{\sin{\theta}}{\cos{\theta}}\,d\theta} $ and solve using a substitution.