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What is the value of 

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Navik GD Mathematics 21 March 2021 (All Shifts) Questions
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  1. 1
  2. 8
  3. 4
  4. 0

Answer (Detailed Solution Below)

Option 3 : 4
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Detailed Solution

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Concept:

  • 1 - cos 2θ = 2 sin2 θ

 

Calculation:

=           (1 - cos 2θ = 2 sin2 θ)

= 

= 

= 4 × 1 = 4

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