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༒ Bʀᴀɪɴʟʏ Sᴛᴀʀs

༒Mᴏᴅᴇʀᴀᴛᴇʀs

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$\begin{gathered} \sf \: prove \: that\sf \: \frac{sin\theta - cos\theta}{cos\theta +1+sin\theta} - \frac{1 +sin\theta - cos \theta}{cos \theta + 1 + sin \theta} = 2tan \theta \\ \\ \sf \: no \: spam\end{gathered}$
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Answer 1

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