RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 9 of Exercise 4.14

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9

Prove that

Given:-


Take


LHS


=


We know that, Formula



Thus,


=


=


=


=


=


Dividing numerator and denominator by , we get


=


We know that, Formula



Thus,


=


= RHS


So,



Hence Proved


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