Inverse trigno problems........

i have some unsolved questions in inverse trigno..........posting here.......

Q1 Find range of values of a if sum of series \sum_{n=1}^{infinity}{(\frac{sec^{-1}\sqrt{\left|x \right|}+cosec^{-1}\sqrt{\left|x \right|}}{\pi a}})^{n}

is finite where \left|x \right|\geq 1;a>0

38 Answers

24
eureka123 ·

@ mani...never say never..................jee is having a habit to surprise students

and ans is n=3..........exact........
recheck urs

24
eureka123 ·

@ akand i dont have the answer for that ques......plz post the method.....[1][1]

1
MATRIX ·

@ eureka thanks yaar.....

1
Akand ·

5.......... is it
x=sin((pi/2±pi√77/12.27+4a/3)/2)

24
eureka123 ·

Ans 5 is Zero solutions,[11][11][7]

11
Mani Pal Singh ·

√3X∩is an irrational number and this question doesnt demand gr88 comments
it was the most easiest question
so no behas on it[1]

1
MATRIX ·

hey akand hmm im havin doubt da in ur solution.....plz recheck it....not sure..........thats y.......

11
Mani Pal Singh ·

Your Answer

Close [X]