SSC CPO 2024 PYQ — Question 125

The correct answer is option 3 i.e. Not defined.

tan(A + B) =  $tanA+ tanB\over 1-tanAtanB$

According to the given question,

$tan71°+ tan19°\over 1-tan71°tan19°$ = tan(71° + 19°)

⇒ tan 90° = Not defined

Hence the required answer is Not defined.