Uncategories For what value of the inequality π/2 < cos inverse of (3x-1) <π holds

For what value of the inequality π/2 < cos inverse of (3x-1) <π holds

December 21, 2020
TN 12th maths Chapter 4 Exercise 4.2 Sum 7 |Class 12 Maths 4th Chapter Ex.4.2|Super brain mathematics

For what value of the inequality 
π/2 < cos-¹ (3x-1) <π holds


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