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Tamil Nadu Board of Secondary EducationHSC Science Class 11

Choose the correct alternative:In a ∆ABC, if(i) ABCsin A2sin B2sin C2>0(ii) sin A sin B sin C > 0 then - Mathematics

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Question

Choose the correct alternative:
In a ∆ABC, if
(i) `sin  "A"/2 sin  "B"/2 sin  "C"/2 > 0`
(ii) sin A sin B sin C > 0 then

Options

  • Both (i) and (ii) are true

  • Only (i) is true

  • Only (ii) is true

  • Neither (i) nor (ii) is true

MCQ

Solution

Both (i) and (ii) are true

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Properties of Triangle
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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 20 | Page 151
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