What is sin12° sin48° equal to? 

This question was previously asked in
NDA-II 2024 (Maths) Official Paper (Held On: 01 Sept, 2024)
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Answer (Detailed Solution Below)

Option 3 :
Free
NDA 01/2025: English Subject Test
30 Qs. 120 Marks 30 Mins

Detailed Solution

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Concept:

Product-to-Sum Formulas:

  • The product-to-sum formulas are used to express products of sines and cosines as sums.
  • For sines, the formula is:

 

Calculation:

⇒ sin12°.sin48° = 

 Option (c) is correct

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