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Tamil Nadu Board of Secondary EducationHSC Science Class 11

Choose the correct alternative:If tan α and tan β are the roots of x2 + ax + b = 0 then sin(α+β)sinαsinβ is equal to

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Question

Choose the correct alternative:
If tan α and tan β are the roots of x2 + ax + b = 0 then `(sin(alpha + beta))/(sin alpha sin beta)` is equal to

Options

  • `"b"/"a"`

  • `"a"/"b"`

  • `- "a"/"b"`

  • `- "b"/"a"`

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Solution

`- "a"/"b"`

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Chapter 3: Trigonometry - Exercise 3.12 [Page 151]

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Samacheer Kalvi Mathematics - Volume 1 and 2 [English] Class 11 TN Board
Chapter 3 Trigonometry
Exercise 3.12 | Q 13 | Page 151

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