C3 identity question help ! Watch

coconut64
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Size:  317.9 KB hey guys, any help on tt3d iii) would be appreciated. I got this Attachment 594544594546 this is no where close the ACTUAL answer .

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Zacken
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(Original post by coconut64)
Name:  IMAG1773.jpg
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Size:  317.9 KB hey guys, any help on tt3d iii) would be appreciated. I got this this is no where close the ACTUAL answer .

Thanks
What is the actual answer?
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coconut64
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(Original post by Zacken)
What is the actual answer?
Q/q+1

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Zacken
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(Original post by coconut64)
Q/q+1

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Hmm, \frac{\cot x }{\cot x + 1} \neq \cot 2x certainly. I agree with your answer tho, although it could probably be simplified a little.
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coconut64
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(Original post by Zacken)
Hmm, \frac{\cot x }{\cot x + 1} \neq \cot 2x certainly. I agree with your answer tho, although it could probably be simplified a little.
Maybe q^2-1/2q ? Thanks
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