RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 7 of Exercise 4.14

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7

Find the values of each of the following:

Given:-


Take



We know that, Formula



Therefore,


cos(


Thus,


=


=


=


=


=


So,



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