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AP EAMCET2001MathematicsTrigonometric Equations

^2 ( 6 + )- ^2 ( 6 - ) is equal to

Options

  1. A1 2 2
  2. B0
  3. C- 1 2 2
  4. D1 2

Correct answer

A. 1 2 2

Step-by-step solution

aligned & ^2 ( 6 + )- ^2 ( 6 - ) & = ( 6 + + 6 - ) ( 6 + - 6 + ) & = ( 3 ) 2 = 1 2 2 aligned

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