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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

https://www.teachoo.com/1775/531/Ex-8.3--2---Show-that-(i)-tan-48-tan-23-tan-42-tan-67--1/category/Ex-8.3/

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.