Ex 2.1, 7 - Find principal value of sec-1 (2/root 3) - Chapter 2 - Finding pricipal value

  1. Chapter 2 Class 12 Inverse Trigonometric Functions
  2. Serial order wise
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Ex 2.1, 7 Find the principal value of sec-1 (2/√3) Let y = sec-1 (2/√3) sec y = 2/√3 sec y = sec (π/6) Range of principal value of sec−1 is [0, π] – { 𝜋/2 } Hence, principal value of sec-1 (2/√3) is π/6

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