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COMEDK20269 May 2026Morning ShiftMathematicsTrigonometric Ratios & IdentitiesActual

The expression 1 - ^2 ( 4 - A ) 1 + ^2 ( 4 - A ) equals

Options

  1. A2A
  2. BA
  3. C2A
  4. DA

Correct answer

C. 2A

Step-by-step solution

Using the identity 2 = 1 - ^2 1 + ^2 Let = 4 - A The given expression becomes (2 ( 4 - A ) ) ( 2 - 2A ) Using ( 2 - x ) = x , we get 2A Answer: 2A

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