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805

Q:

यदि Cos A + Cos2 A = 1 है तो Sin2 A + Sin4 A=?

  • 1
    0
  • 2
    1
  • 3
    $$ {1\over 2}$$
  • 4
    -1
  • Show Answer
  • Workspace

Answer : 2. "1"

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