Question

the value of 1+tan12/1-tan12​

Answer 1

Answer:

$\frac{1 + \tan(12) }{1 - \tan(12) } \\ \frac{ \tan(45) + \tan(12) }{1 - ( \tan(45))( \tan(12) ) } \\ = \tan(45 + 12) = \tan(57)$

Step-by-step explanation:

tan 45 = 1