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If and are positive angles such that + = 4 , then what is (1+ )(1+ ) equal to

Options

  1. A0
  2. B1
  3. C2
  4. D3

Correct answer

C. 2

Step-by-step solution

aligned & ( + )= + 1- & 4 = + 1- & 1= + + & 2=(1+ )(1+ ) aligned

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