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Tamil Nadu Board of Secondary EducationHSC Science Class 11

Choose the correct alternative:If sin α + cos α = b, then sin 2α is equal to

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Question

Choose the correct alternative:
If sin α + cos α = b, then sin 2α is equal to

Options

  • b2 − 1, if `"b" ≤ sqrt(2)`

  • b2 − 1, if `"b" > sqrt(2)`

  • b2 − 1, if b ≥ 1

  • b2 − 1, if `"b" ≥ sqrt(2)`

MCQ
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Solution

b2 − 1, if `"b" ≤ sqrt(2)`

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Chapter 3: Trigonometry - Exercise 3.12 [Page 151]

APPEARS IN

Samacheer Kalvi Mathematics - Volume 1 and 2 [English] Class 11 TN Board
Chapter 3 Trigonometry
Exercise 3.12 | Q 19 | Page 151

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