RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 9 of Very short answer

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9

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

If –1 < x < 0, then write the value of .


Given -1 < x < 0


We know that


Given


= 2 tan-1 x – 2 tan-1 x


= 0


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