RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 5 of Exercise 4.2

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5

For the principal values, evaluate each of the following:

Let

Then, cos x = = cos



Let .


Then, sin y = = sin



Hence,


=


=


=


Principal value of is.


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