If cot²(2η) = 3, and 2η is an acute angle, find the value of 5η.

Subject: Mathematics | Topic: Trigonometry | Difficulty: MEDIUM

Options

  1. (A) 15°
  2. (B) 50°
  3. (C) 30°
  4. (D) 75°

Verified Answer

Option (D): 75°


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