RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 55 of Very short answer

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

Write the value of , when .


We know that tan-1 x + cot-1 x = π/2

= cos (π/6)

= √3/2


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