RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 1 of Exercise 4.14

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1

Evaluate the following:

Given:-


Let


Therefore,




Now, by Pythagoras theorem





As given, and putting assume value, we get



=


We know that: Formula



=


=


=


= ; by rationalisation


=


=


Hence



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