RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 50 of Very short answer

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50

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

Write the value of the expression , when .


Given



We know that sin-1 x + cos-1 x = π/2


= tan (π/4)



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