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9966 [12]
3 years ago
9

Please help with this my please

Mathematics
1 answer:
Akimi4 [234]3 years ago
3 0

Answer:

now i dont know if this is the thing your asking but a negative plus a negative is a positive.

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Given:

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We know that,

\cot (\theta -n\pi)=\cot \theta         ...(i)

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Using (i), it can be written as

\cot \theta +\cot (\theta -\pi)+\cot(\theta -2\pi)=\cot \theta +\cot \theta +\cot \theta

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