Question

$\begin{gathered} \sf \: \underbrace{༒ Bʀᴀɪɴʟʏ \: Sᴛᴀʀs} \\ \\ \sf \underbrace{༒Mᴏᴅᴇʀᴀᴛᴇʀs} \\ \\ \sf\underbrace{༒Other best user}\end{gathered}$



$\sf \: if \: \frac{x}{y} = \frac{cosA}{cosB} \: then \: \frac{xTanA + xTanB}{x + y} is \: equal \: to \:$

​

$\begin{gathered}\sf◆ \: tan \bigg( \frac{a + b}{2} \bigg) \\ \\ \sf◆Cot (A+B)\\ \\ \sf◆Tan(A+B)\\ \\ \sf◆Cot \frac {A+B}{2}\end{gathered}$


Don't Spam
Spammer Go Away​

Answer 1

Step-by-step explanation:

here is your answer please mark me in brainlist and give me many thanks please by auto clicker.