Ex 2.1, 4 - Find principal value of tan-1 (- root 3) - CBSE  - Finding pricipal value

  1. Chapter 2 Class 12 Inverse Trigonometric Functions
  2. Serial order wise
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Ex 2.1, 4 Find the principal value of tan-1 ( 3) Let y = tan-1 ( 3) tan y = 3 tan y = tan ( /3) Range of the principal value . of tan 1 is between ( /2 , /2) Hence the principal value is /3

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