RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 4 of Exercise 4.2

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4

Find the principal value of each of the following:

We know that for any x [–1, 1], represents an angle in [0, ].

= an angle in [0, ] whose cosine is .


=


=



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