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Grade: 11
        Tanx*tan9°=tan15°*tan21°.Find all possible x.How to solve this one
2 years ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
3431 Points
							Dear student

Tan x = ( tan 15)*( tan 21)/( tan 9)

x = tan inverse ( tan 15)*(tan 21)/(tan 9)

x ~ 33
x = 33+ npi

Regards
6 months ago
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