Show that tan 48° tan 23°  tan 42° tan 67° = 1.


This Question is exactly same as   Ex 8.3, 2


Please check solution and video here

  1. Class 10
  2. Solutions of Sample Papers for Class 10 Boards

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.