Question

If tan (A - B) =tanA-tanB/1+tanAtanB
then tan15°

2) 2 - 3
1) 2 + 3
3) 2
4) V3​

Answer 1

Answer:

Step-by-step explanation:

1

Answer 2

Answer:

2-√3

Step-by-step explanation:

as tan 15° = tan (60°-45°)

= ( tan 60 - tan 45 ) / 1+ tan60. tan 45

= ( √3-1 )/ (1+√3)

= 2- √3