Prove that cot x/2 - cot x ≥ 1 for x between 0 and pi.
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Originally Posted by fardeen_gen Prove that cot x/2 - cot x ≥ 1 for x between 0 and pi. Note that .
Therefore the left hand side becomes .
Now note that over .
Another approach . . .
Identity: . Prove that: .
We have: .
Rationalize: . . .
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