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Prove that : (1+costheta- sin^(2)theta)...

Prove that : `(1+costheta- sin^(2)theta)/(sintheta+sinthetacostheta)=cottheta`

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To prove the identity \[ \frac{1 + \cos \theta - \sin^2 \theta}{\sin \theta + \sin \theta \cos \theta} = \cot \theta, \] we will start with the left-hand side (LHS) and simplify it step by step to show that it equals the right-hand side (RHS). ...
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