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 has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.