Question

tan A + tan B/cos A + cos B
= tan A tan ß.​

Answer 1

Answer:

Both arnt equal

$set \: \: a = b = x \: \: to \: \: observe \\ \frac{2 \tan(x) }{2 \cos(x) } = \tan {}^{2} (x) \\ \tan(x) \sec(x) \neq \tan {}^{2} (x)$