animegtfanphuongho animegtfanphuongho
  • 24-05-2023
  • Mathematics
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Suppose θ is an angle in the 2nd quadrant and sin(θ)=1/2 What is the value of cos(θ)


a. 1/2


b. −3√/2


c. −3/5



d. −3√/3



e. -1/2

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