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Grade 12th passAlgebra

I have some confusion regarding this problem.
please help

Question image for I have some confusion regarding this problem. ple
Profile image of sajid khan
6 Years agoGrade 12th pass
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2 Answers

Profile image of Arun
6 Years ago
Dear student
 
what is the doubt hereas it is T-1 (T) type question.
make graph of every function.
 
Hope it helps
Profile image of Aditya Gupta
6 Years ago
lets consider tan-1(tan24pi/13)
write it as tan-1(tan(2pi – 2pi/13))= tan-1(tan( – 2pi/13))= – 2pi/13
similarly for others.
kindly approve  :))

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