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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