prove that cot theta/1+tan theta= cot theta/ 2-sec 2 theta

Dear Student
Your question seems to be incorrect / unclear / incomplete. But assuming your question to be <<<prove that $\frac{cot \theta }{1+\tan \theta }=\frac{cot\theta -1}{2-sec{ }^2\theta }$>>>; here is the answer accordingly:......If this was not what you had in mind, please re-post the clear & correct query in a thread, our expert would be happy to help you there.

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