RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 4 of Exercise 4.11

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4

Sum the following series:

Given:-


Take




We know that, Formula




So,




.


.


.



Adding all the terms, we get




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