RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 36 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:

If 4sin–1 x + cos–1 x = π, then what is the value of x?

Given 4 sin-1 x + cos-1 x = π

We know that sin-1 x + cos-1 x = π/2

x = 1/2

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