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यदि sin θ = 1/√11 है, तो cot θ का मान है:

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Question

यदि sin θ = `1/sqrt11` है, तो cot θ का मान है:

Options

  • `sqrt11/sqrt10`

  • `sqrt10/sqrt11`

  • `sqrt10`

  • `sqrt11`

MCQ
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Solution

`bb(sqrt10)`

स्पष्टीकरण:

दिया है:

sin θ = `1/sqrt11`

हम जानते हैं:

sin2 θ + cos2 θ = 1

`cos^2 theta = 1 - 1/11 = 10/11`

`cos theta = sqrt10/sqrt11`

अब,

`cot theta = (cos theta)/(sin theta) = (sqrt10/sqrt11)/(1/sqrt11)`

= `sqrt10`

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2025-2026 (March) Basic - 430/5/2
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