ZniyahL134922 ZniyahL134922
  • 28-10-2022
  • Mathematics
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Which of the following expressions is equal to 1 – cos4 θ? 1) 2sin2 θ – sin4 θ2) sin2 θ – sin4 θ3) -2sin2 θ – sin4 θ4) 2sin2 θ + sin4 θ

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