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Manipal MET2012MathematicsTrigonometric Ratios & Identities

If 2 3 2 , then the value of 1- 1+ is equal to

Options

  1. A- +
  2. B+
  3. C-
  4. DNone of these

Correct answer

A. - +

Step-by-step solution

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

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