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cqnnyarts cqnnyarts
  • 02-02-2021
  • Mathematics
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find cos(2θ) if tan(θ) = -3/4 and 90 < θ < 180

Respuesta :

vvincecyril vvincecyril
  • 02-02-2021

Answer:

9

Step-by-step explanation:

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