Question

What is formula of tan(a+b)

Answer 1

Step-by-step explanation:

$\tan(a + b) = \frac{ \tan(a) + \tan(b) }{1 - \tan(a) \tan(b) } \\ \\ for \: writing \: formula \: of \: \\ \tan(a - b) \: it \: will \: be \: same \: but \: signs \: will \: be \: changed$