RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 10 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:

Writ the value of sin (cot–1 x).

Given sin (cot-1 x)

Let cot-1 x = θ

x = cot θ

We know that 1 + cot2 θ = cosec2 θ

1 + x2 = cosec2 θ

We know that cosec θ = 1/sin θ

Chapter Exercises

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