Question

which is the correct option

Answer 1

Tan(15°) = Tan(90° - 75°)

Tan(15°) = Cot(75°)

Tan(15°) = 2 - √3

⇒ Cot(75°) = 2 - √3

⇒ Cot²(75°) = (2 - √3)²

⇒ Cot²(75°) = 4 + 3 - 4√3

⇒ Cot²(75°) = 7 - 4√3

Option (C) is the Answer

Answer 2

Answer:

option c is the Correct answer.....