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if x belongs to (-pie/2,pie/2) then value of expression tan^-1 (tan x/4) + tan^-1 ( 3sin2x/5+3cos2x) is ?

Shivani Bhardwaj , 8 Years ago
Grade 12th pass
anser 1 Answers
Sourabh Singh

Last Activity: 8 Years ago

Hi
The representation of question is not clear whether the arguement of sine is divivded by 5 or the value is whole divided by 5 .

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