RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 2 of Exercise 4.7

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2

Evaluate each of the following:

cos–1(cos 3)

As cos–1(cos x) = x


Provided x ϵ [0,π]


we can write cos–1(cos 3) as 3.


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