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rock82701
rock82701 rock82701
  • 20-03-2017
  • Mathematics
Answered

The angle θ lies in Quadrant II . cosθ=−2/3 What is tanθ ?

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AbhiGhost
AbhiGhost AbhiGhost
  • 20-03-2017

Hope this helps you.

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ummuabdallah ummuabdallah
  • 10-01-2020

Answer: -1.118

Step-by-step explanation:

cos θ = -2/3

cosθ= -0.666667

θ =arccos(-0.666667)

θ=113.81

tanθ = tan(113.81) =-1.118

= -√5 / 2

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