Maths-
General
Easy

Question

In the adjoining figure angle A B C equals angle B C D equals 90 to the power of ring operator end exponent comma angle D A B equals theta comma angle D B C equals ϕ AB = 14 units, BC = 12 units and BD = 13 units. Find the value of sectheta

  1. 1/3    
  2. 2/3    
  3. 5/3    
  4. 7/3    

The correct answer is: 5/3

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