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KCET2016MathematicsTrigonometric Ratios & Identities

The value of ( 8 ) is equal to

Options

  1. A( 1 2 )
  2. B( 2 +1 )
  3. C( 1 2 +1 )
  4. D( 1- 2 )

Correct answer

C. ( 1 2 +1 )

Step-by-step solution

( = 8 ) ( = 2( / 8) 1+ 2( / 8) ) ( = ( / 4) 1+ ( / 4) ) ( = 1 2 +1 )

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