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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Evaluate the following:

Given:-


We know that :- Formula (- obtain by Pythagoras theorem)


; Formula of tan in terms of sine, so that it make simplification easier


And


; Formula of tan in terms of cos, so that it make simplification easier


Now given function becomes,


=


=


=


=


Hence,



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