RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 24 of Very short answer

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24

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:

Write the value of cos–1 (cos 6).


Given cos-1 (cos 6)


We know that cos-1 (cos θ) = 2π – θ, if θ [π, 2π]


= 2π – 6


cos-1 (cos 6) = 2π - 6


1

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