ICSE Class 9 Answered
(tan 60 + 1 / tan 60 - 1 )^2 = 1 + cos 30 / 1 - cos 30
Asked by indirasolanki5661.9sdatl | 08 Mar, 2021, 07:37: PM
Since, 



Hence, 

Answered by Renu Varma | 09 Mar, 2021, 08:03: PM
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